[1] : The Collaborative International Dictionary of English v.0.48

roc \roc\, n. ar.  per. rokh or rukh. cf. rook a castle.
   a monstrous bird of arabian mythology. written also rock,
   and rukh. --brande  c.
   1913 webster
see also:
rook rock rukh 

[2] : The Collaborative International Dictionary of English v.0.48

rock \rock\, n.
   see roc.
   1913 webster
see also:
roc 

[3] : The Collaborative International Dictionary of English v.0.48

rock \rock\, n. oe. rocke; akin to d. rok, rokken, g. rocken,
   ohg. roccho, dan. rok, icel. rokkr. cf. rocket a firework.
   a distaff used in spinning; the staff or frame about which
   flax is arranged, and from which the thread is drawn in
   spinning. --chapman.
   1913 webster

         sad clotho held the rocke, the whiles the thread
         by grisly lachesis was spun with pain,
         that cruel atropos eftsoon undid.        --spenser.
   1913 webster
see also:
rocket 

[4] : The Collaborative International Dictionary of English v.0.48

rock \rock\, n. of. roke, f. roche; cf. armor. roc'h, and as.
   rocc.
   1. a large concreted mass of stony material; a large fixed
      stone or crag. see stone.
      1913 webster

            come one, come all this rock shall fly
            from its firm base as soon as i.      --sir w.
                                                  scott.
      1913 webster

   2. geol. any natural deposit forming a part of the earth's
      crust, whether consolidated or not, including sand, earth,
      clay, etc., when in natural beds.
      1913 webster

   3. that which resembles a rock in firmness; a defense; a
      support; a refuge.
      1913 webster

            the lord is my rock, and my fortress. --2 sam. xxii.
                                                  2.
      1913 webster

   4. fig.: anything which causes a disaster or wreck resembling
      the wreck of a vessel upon a rock.
      1913 webster

   5. zool. the striped bass. see under bass.
      1913 webster

   note: this word is frequently used in the formation of
         self-explaining compounds; as, rock-bound, rock-built,
         rock-ribbed, rock-roofed, and the like.
         1913 webster

   rock alum. probably so called by confusion with f. roche a
      rock. same as roche alum.

   rock barnacle zool., a barnacle balanus balanoides
      very abundant on rocks washed by tides.

   rock bass. zool.
      a the stripped bass. see under bass.
      b the goggle-eye.
      c the cabrilla. other species are also locally called
          rock bass.

   rock builder zool., any species of animal whose remains
      contribute to the formation of rocks, especially the
      corals and foraminifera.

   rock butter min., native alum mixed with clay and oxide
      of iron, usually in soft masses of a yellowish white
      color, occuring in cavities and fissures in argillaceous
      slate.

   rock candy, a form of candy consisting of crystals of pure
      sugar which are very hard, whence the name.

   rock cavy. zool. see moco.

   rock cod zool.
      a a small, often reddish or brown, variety of the cod
          found about rocks andledges.
      b a california rockfish.

   rock cook. zool.
      a a european wrasse centrolabrus exoletus.
      b a rockling.

   rock cork min., a variety of asbestus the fibers of which
      are loosely interlaced. it resembles cork in its texture.
      

   rock crab zool., any one of several species of large
      crabs of the genus c, as the two species of the new
      england coast cancer irroratus and cancer borealis.
      see illust. under cancer.

   rock cress bot., a name of several plants of the cress
      kind found on rocks, as arabis petraea, arabis lyrata,
      etc.

   rock crystal min., limpid quartz. see quartz, and under
      crystal.

   rock dove zool., the rock pigeon; -- called also rock
      doo.

   rock drill, an implement for drilling holes in rock; esp.,
      a machine impelled by steam or compressed air, for
      drilling holes for blasting, etc.

   rock duck zool., the harlequin duck.

   rock eel. zool. see gunnel.

   rock goat zool., a wild goat, or ibex.

   rock hopper zool., a penguin of the genus catarractes.
      see under penguin.

   rock kangaroo. zool. see kangaroo, and petrogale.

   rock lobster zool., any one of several species of large
      spinose lobsters of the genera panulirus and
      palinurus. they have no large claws. called also spiny
      lobster, and sea crayfish.

   rock meal min., a light powdery variety of calcite
      occuring as an efflorescence.

   rock milk. min. see agaric mineral, under agaric.

   rock moss, a kind of lichen; the cudbear. see cudbear.

   rock oil. see petroleum.

   rock parrakeet zool., a small australian parrakeet
      euphema petrophila, which nests in holes among the
      rocks of high cliffs. its general color is yellowish olive
      green; a frontal band and the outer edge of the wing
      quills are deep blue, and the central tail feathers bluish
      green.

   rock pigeon zool., the wild pigeon columba livia of
      europe and asia, from which the domestic pigeon was
      derived. see illust. under pigeon.

   rock pipit. zool. see the note under pipit.

   rock plover. zool.
      a the black-bellied, or whistling, plover.
      b the rock snipe.

   rock ptarmigan zool., an arctic american ptarmigan
      lagopus rupestris, which in winter is white, with the
      tail and lores black. in summer the males are grayish
      brown, coarsely vermiculated with black, and have black
      patches on the back.

   rock rabbit zool., the hyrax. see cony, and daman.

   rock ruby min., a fine reddish variety of garnet.

   rock salt min., cloride of sodium common salt occuring
      in rocklike masses in mines; mineral salt; salt dug from
      the earth. in the united states this name is sometimes
      given to salt in large crystals, formed by evaporation
      from sea water in large basins or cavities.

   rock seal zool., the harbor seal. see seal.

   rock shell zool., any species of murex, purpura, and
      allied genera.

   rock snake zool., any one of several large pythons; as,
      the royal rock snake python regia of africa, and the
      rock snake of india python molurus. the australian
      rock snakes mostly belong to the allied genus morelia.
      

   rock snipe zool., the purple sandpiper tringa
      maritima; -- called also rock bird, rock plover,
      winter snipe.

   rock soap min., a kind of clay having a smooth, greasy
      feel, and adhering to the tongue.

   rock sparrow. zool.
      a any one of several species of old world sparrows of
          the genus petronia, as petronia stulla, of europe.
      b a north american sparrow pucaea ruficeps.

   rock tar, petroleum.

   rock thrush zool., any old world thrush of the genus
      monticola, or petrocossyphus; as, the european rock
      thrush monticola saxatilis, and the blue rock thrush
      of india monticola cyaneus, in which the male is blue
      throughout.

   rock tripe bot., a kind of lichen umbilicaria
      dillenii growing on rocks in the northen parts of
      america, and forming broad, flat, coriaceous, dark fuscous
      or blackish expansions. it has been used as food in cases
      of extremity.

   rock trout zool., any one of several species of marine
      food fishes of the genus hexagrammus, family chiradae,
      native of the north pacific coasts; -- called also sea
      trout, boregat, bodieron, and starling.

   rock warbler zool., a small australian singing bird
      origma rubricata which frequents rocky ravines and
      water courses; -- called also cataract bird.

   rock wren zool., any one of several species of wrens of
      the genus salpinctes, native of the arid plains of lower
      california and mexico.
      1913 webster
see also:
stone bass rock alum roche alum rock barnacle balanus balanoides 
rock bass rock builder rock butter rock candy rock cavy 
moco rock cod rock cook centrolabrus exoletus rock cork 
rock crab c cancer irroratus cancer borealis cancer 
rock cress arabis petraea arabis lyrata rock crystal quartz 
crystal rock dove rock doo rock drill rock duck 
rock eel gunnel rock goat rock hopper catarractes 
penguin rock kangaroo kangaroo petrogale rock lobster 
panulirus palinurus spiny lobster sea crayfish rock meal 
rock milk agaric mineral agaric rock moss cudbear 
rock oil petroleum rock parrakeet euphema petrophila rock pigeon 
columba livia pigeon rock pipit pipit rock plover 
rock ptarmigan lagopus rupestris rock rabbit cony daman 
rock ruby rock salt rock seal seal rock shell 
rock snake rock snake python regia python molurus morelia 
rock snipe tringa maritima rock bird rock plover winter snipe 
rock soap rock sparrow petronia petronia stulla pucaea ruficeps 
rock tar rock thrush monticola petrocossyphus monticola saxatilis 
monticola cyaneus rock tripe umbilicaria dillenii rock trout hexagrammus 
chiradae sea trout boregat bodieron starling 
rock warbler origma rubricata cataract bird rock wren salpinctes 

[5] : The Collaborative International Dictionary of English v.0.48

rock \rock\, v. t. imp.  p. p. rocked;p. pr.  vb. n.
   rocking. as. roccian; akin to dan. rokke to move, to
   snake; cf. icel. rukkja to pull, move, g. r"ucken to move,
   push, pull.
   1. to cause to sway backward and forward, as a body resting
      on a support beneath; as, to rock a cradle or chair; to
      cause to vibrate; to cause to reel or totter.
      1913 webster

            a rising earthquake rocked the ground. --dryden.
      1913 webster

   2. to move as in a cradle; hence, to put to sleep by rocking;
      to still; to quiet. "sleep rock thy brain." --shak.
      1913 webster

   note: rock differs from shake, as denoting a slower, less
         violent, and more uniform motion, or larger movements.
         it differs from swing, which expresses a vibratory
         motion of something suspended.
         1913 webster
see also:
rocked rocking 

[6] : The Collaborative International Dictionary of English v.0.48

rock \rock\, v. i.
   1. to move or be moved backward and forward; to be violently
      agitated; to reel; to totter.
      1913 webster

            the rocking town
            supplants their footsteps.            --j. philips .
      1913 webster

   2. to roll or saway backward and forward upon a support; as,
      to rock in a rocking-chair.
      1913 webster

[7] : The Collaborative International Dictionary of English v.0.48

crack \crack\, n.
   1. a partial separation of parts, with or without a
      perceptible opening; a chink or fissure; a narrow breach;
      a crevice; as, a crack in timber, or in a wall, or in
      glass.
      1913 webster

   2. rupture; flaw; breach, in a moral sense.
      1913 webster

            my love to thee is sound, sans crack or flaw.
                                                  --shak.
      1913 webster

   3. a sharp, sudden sound or report; the sound of anything
      suddenly burst or broken; as, the crack of a falling
      house; the crack of thunder; the crack of a whip.
      1913 webster

            will the stretch out to the crack of doom? --shak.
      1913 webster

   4. the tone of voice when changed at puberty.
      1913 webster

            though now our voices
            have got the mannish crack.           --shak.
      1913 webster

   5. mental flaw; a touch of craziness; partial insanity; as,
      he has a crack.
      1913 webster

   6. a crazy or crack-brained person. obs.
      1913 webster

            i . . . can not get the parliament to listen to me,
            who look upon me as a crack and a projector.
                                                  --addison.
      1913 webster

   7. a boast; boasting. obs. "crack and brags." --burton.
      "vainglorius cracks." --spenser.
      1913 webster

   8. breach of chastity. obs. --shak.
      1913 webster

   9. a boy, generally a pert, lively boy. obs.
      1913 webster

            val. 't is a noble child. vir. a crack, madam.
                                                  --shak.
      1913 webster

   10. a brief time; an instant; as, to be with one in a crack.
       eng.  scot. colloq.
       1913 webster

   11. free conversation; friendly chat. scot.
       1913 webster

             what is crack in english? . . . a crack is . . . a
             chat with a good, kindly human heart in it. --p. p.
                                                  alexander.
       1913 webster

   12. a witty remark; a wisecrack.
       pjc

   13. a chance or opportunity to do something; an attempt; as,
       i'll take a crack at it.
       pjc

   14. a form of cocaine, highly purified and prepared as small
       pellets, especially suitable for smoking; -- also called
       rock. used in this form it appears to be more addicting
       than cocaine powder. slang
       pjc
see also:
rock 

[8] : WordNet (r) 2.0

rock
     n 1: a lump or mass of hard consolidated mineral matter; "he
          threw a rock at me" syn: stone
     2: material consisting of the aggregate of minerals like those
        making up the earth's crust; "that mountain is solid
        rock"; "stone is abundant in new england and there are
        many quarries" syn: stone
     3: united states gynecologist and devout catholic who conducted
        the first clinical trials of the oral contraceptive pill
        1890-1984 syn: john rock
     4: figurative someone who is strong and stable and
        dependable; "he was her rock during the crisis"; "thou art
        peter, and upon this rock i will build my church"--gospel
        according to matthew
     5: hard stick bright-colored stick candy typically peppermint
        flavored syn: rock candy
     6: a genre of popular music originating in the 1950s; a blend
        of black rhythm-and-blues with white country-and-western;
        "rock is a generic term for the range of styles that
        evolved out of rock'n'roll." syn: rock 'n' roll, rock'n'roll,
         rock-and-roll, rock and roll, rock music
     7: pitching dangerously to one side syn: careen, sway, tilt
     v 1: move back and forth  or sideways; "the ship was rocking";
          "the tall building swayed"; "she rocked back and forth
          on her feet" syn: sway, shake
     2: cause to move back and forth; "rock the cradle"; "rock the
        baby"; "the wind swayed the trees gently" syn: sway
see also:
stone john rock rock candy rock 'n' roll rock'n'roll rock-and-roll 
rock and roll rock music careen sway tilt 
shake 

[9] : Moby Thesaurus II by Grady Ward, 1.0

238 moby thesaurus words for "rock":
   gibraltar, irish confetti, acid rock, adamant, adamantine, affect,
   agitate, amaze, appease, astonish, astound, avant-garde jazz,
   ballroom music, bankrupt, bebop, bedrock, blunder, bob, bobble,
   bola, bolt, bone, boogie-woogie, boomerang, bop, boulder, brick,
   brickbat, broken-down, calm, calm down, careen, career, cement,
   champion, coggle, come home to, compose, concert, concrete, cool,
   countermissile, country rock, cradle, crag, dance music, dances,
   dangle, daze, defender, destitute, destroyed, diamond,
   discombobulate, discompose, disconcert, disquiet, disturb,
   dramatico-musical, dulcify, dumbfound, ease, electrify, escarpment,
   even out, falter, finished, flint, flintlike, flinty, flounce,
   flounder, fluctuate, flurry, fluster, flutter, folk rock,
   foundation, fuss, gentle, granite, granitelike, granitic,
   hard rock, heart of oak, heave, hit, hit the mark, hobbyhorse,
   horse, hot jazz, hush, impress, impress forcibly, in ruins,
   indigent, instrumental, iron, jar, jazz, jazzy, jive, jolt, labor,
   librate, lion, lithic, lull, lurch, mainstream jazz,
   make an impression, make heavy weather, marble, marblelike,
   missile, mollify, musical suite, nails, nutate, oak, on ice,
   on the rocks, orchestral, oscillate, outcrop, outcropping,
   overwhelm, ox, pacify, patron, patroness, pendulate, penniless,
   perturb, petrified, petrogenic, pillar, pitch, pitch and plunge,
   pitch and toss, plunge, pound, pour balm into, poverty-stricken,
   projectile, protector, protectress, quell, quiet, rag, ragtime,
   rattle, rear, reel, resonate, rest, rhythm-and-blues,
   rock to sleep, rock-and-roll, rocket, roll, ruffle, ruined,
   safekeeper, scarp, scend, seethe, shake, shake up, shock, sink in,
   slaty, smite, smooth, smooth down, smooth over, smoothen, soothe,
   stabilize, stagger, steady, steel, still, stir, stone, strike,
   strike hard, strike home, struggle, stumble, stun, stupefy, subdue,
   suite, suite of dances, surprise, swag, sway, swing, swinging,
   symphonic, syncopated, syncopated music, syncopation, tell,
   the new music, thrash about, throw, throw stick, throwing-stick,
   tor, torpedo, toss, toss and tumble, toss and turn, totter, tower,
   tower of strength, tranquilize, traumatize, trouble, tumble,
   unnerve, unsettle, upset, vacillate, vibrate, volutation, waddy,
   wag, waggle, wallop, wallow, wave, waver, welter, wobble, yaw

[10] : Easton's 1897 Bible Dictionary

rock
   heb. tsur, employed as a symbol of god in the old testament 1
   sam. 2:2; 2 sam. 22:3; isa. 17:10; ps. 28:1; 31:2,3; 89:26;
   95:1; also in the new testament matt. 16:18; rom. 9:33; 1 cor.
   10:4. in dan. 2:45 the chaldaic form of the hebrew word is
   translated "mountain." it ought to be translated "rock," as in
   hab. 1:12 in the revised version. the "rock" from which the
   stone is cut there signifies the divine origin of christ. see stone.
   
see also:
stone 

[11] : U.S. Gazetteer (1990)

rock, ks
  zip codes: 67131
rock, mi
  zip codes: 49880

[12] : U.S. Gazetteer Counties (2000)

rock -- u.s. county in minnesota
   population 2000:    9721
   housing units 2000: 4137
   land area 2000:     482.609501 sq. miles 1249.952815 sq. km
   water area 2000:    0.233498 sq. miles 0.604756 sq. km
   total area 2000:    482.842999 sq. miles 1250.557571 sq. km
   located within:       minnesota mn, fips 27
   location:             43.667243 n, 96.242131 w
   headwords:
    rock
    rock, mn
    rock county
    rock county, mn

[13] : U.S. Gazetteer Counties (2000)

rock -- u.s. county in nebraska
   population 2000:    1756
   housing units 2000: 935
   land area 2000:     1008.457758 sq. miles 2611.893491 sq. km
   water area 2000:    3.395633 sq. miles 8.794649 sq. km
   total area 2000:    1011.853391 sq. miles 2620.688140 sq. km
   located within:       nebraska ne, fips 31
   location:             42.507127 n, 99.470110 w
   headwords:
    rock
    rock, ne
    rock county
    rock county, ne

[14] : U.S. Gazetteer Counties (2000)

rock -- u.s. county in wisconsin
   population 2000:    152307
   housing units 2000: 62187
   land area 2000:     720.468467 sq. miles 1866.004683 sq. km
   water area 2000:    5.728001 sq. miles 14.835453 sq. km
   total area 2000:    726.196468 sq. miles 1880.840136 sq. km
   located within:       wisconsin wi, fips 55
   location:             42.654411 n, 89.049110 w
   headwords:
    rock
    rock, wi
    rock county
    rock county, wi

Red Rock >> R Words
Red Rock, definition of term: Red Rock
red+rock_pag1.html

Plymouth Rock >> P Words
Plymouth Rock, definition of term: Plymouth Rock
plymouth+rock_pag1.html

Plutonic Rock >> P Words
Plutonic Rock, definition of term: Plutonic Rock
plutonic+rock_pag1.html

Paint Rock >> P Words
Paint Rock, definition of term: Paint Rock
paint+rock_pag1.html

Igneous Rock >> I Words
Igneous Rock, definition of term: Igneous Rock
igneous+rock_pag1.html