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

diamond \di"amond\ ?; 277, n. oe. diamaund, diamaunt, f.
   diamant, corrupted, fr. l. adamas, the hardest iron, steel,
   diamond, gr. ?. perh. the corruption is due to the influence
   of gr. ? transparent. see adamant, tame.
   1. a precious stone or gem excelling in brilliancy and
      beautiful play of prismatic colors, and remarkable for
      extreme hardness.
      1913 webster

   note: the diamond is native carbon in isometric crystals,
         often octahedrons with rounded edges. it is usually
         colorless, but some are yellow, green, blue, and even
         black. it is the hardest substance known. the diamond
         as found in nature called a rough diamond is cut, for
         use in jewelry, into various forms with many reflecting
         faces, or facets, by which its brilliancy is much
         increased. see brilliant, rose. diamonds are said
         to be of the first water when very transparent, and of
         the second or third water as the transparency
         decreases.
         1913 webster

   2. a geometrical figure, consisting of four equal straight
      lines, and having two of the interior angles acute and two
      obtuse; a rhombus; a lozenge.
      1913 webster

   3. one of a suit of playing cards, stamped with the figure of
      a diamond.
      1913 webster

   4. arch. a pointed projection, like a four-sided pyramid,
      used for ornament in lines or groups.
      1913 webster

   5. baseball the infield; the square space, 90 feet on a
      side, having the bases at its angles.
      1913 webster

   6. print. the smallest kind of type in english printing,
      except that called brilliant, which is seldom seen.
      1913 webster

   note: hand this line is printed in the type called
         diamond.
         1913 webster

   black diamond, coal; min. see carbonado.

   bristol diamond. see bristol stone, under bristol.

   diamond beetle zool., a large south american weevil
      entimus imperialis, remarkable for its splendid luster
      and colors, due to minute brilliant scales.

   diamond bird zool., a small australian bird pardalotus
      punctatus, family ampelidae.. it is black, with
      white spots.

   diamond drill engin., a rod or tube the end of which is
      set with black diamonds; -- used for perforating hard
      substances, esp. for boring in rock.

   diamond finch zool., a small australian sparrow, often
      kept in a cage. its sides are black, with conspicuous
      white spots, and the rump is bright carmine.

   diamond groove iron working, a groove of v-section in a
      roll.

   diamond mortar chem., a small steel mortar used for
      pulverizing hard substances.

   diamond-point tool, a cutting tool whose point is
      diamond-shaped.

   diamond snake zool., a harmless snake of australia
      morelia spilotes; the carpet snake.

   glazier's diamond, a small diamond set in a glazier's tool,
      for cutting glass.
      1913 webster
see also:
adamant tame brilliant rose diamond black diamond 
carbonado bristol diamond bristol stone bristol diamond beetle 
entimus imperialis diamond bird pardalotus punctatus ampelidae diamond drill 
diamond finch diamond groove diamond mortar diamond-point tool diamond snake 
morelia spilotes glazier's diamond 

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

drill \drill\, n.
   1. an instrument with an edged or pointed end used for making
      holes in hard substances; strictly, a tool that cuts with
      its end, by revolving, as in drilling metals, or by a
      succession of blows, as in drilling stone; also, a drill
      press.
      1913 webster

   2. mil. the act or exercise of training soldiers in the
      military art, as in the manual of arms, in the execution
      of evolutions, and the like; hence, diligent and strict
      instruction and exercise in the rudiments and methods of
      any business; a kind or method of military exercises; as,
      infantry drill; battalion drill; artillery drill.
      1913 webster

   3. any exercise, physical or mental, enforced with regularity
      and by constant repetition; as, a severe drill in latin
      grammar.
      1913 webster

   4. zool. a marine gastropod, of several species, which
      kills oysters and other bivalves by drilling holes through
      the shell. the most destructive kind is urosalpinx
      cinerea.
      1913 webster

   bow drill, breast drill. see under bow, breast.

   cotter drill, or traverse drill, a machine tool for
      drilling slots.

   diamond drill. see under diamond.

   drill jig. see under jig.

   drill pin, the pin in a lock which enters the hollow stem
      of the key.

   drill sergeant mil., a noncommissioned officer whose
      office it is to instruct soldiers as to their duties, and
      to train them to military exercises and evolutions.

   vertical drill, a drill press.
      1913 webster
see also:
urosalpinx cinerea bow drill breast drill bow breast cotter drill 
traverse drill diamond drill diamond drill jig jig 
drill pin drill sergeant vertical drill 

Drill >> D Words
Drill, definition of term: Drill
drill_pag1.html

Diamond >> D Words
Diamond, definition of term: Diamond
diamond_pag1.html

Drill Press >> D Words
Drill Press, definition of term: Drill Press
drill+press_pag1.html

Drill Bit >> D Words
Drill Bit, definition of term: Drill Bit
drill+bit_pag1.html

Hand Drill >> H Words
Hand Drill, definition of term: Hand Drill
hand+drill_pag1.html

Pneumatic Drill >> P Words
Pneumatic Drill, definition of term: Pneumatic Drill
pneumatic+drill_pag1.html

Fire Drill >> F Words
Fire Drill, definition of term: Fire Drill
fire+drill_pag1.html

Electric Drill >> E Words
Electric Drill, definition of term: Electric Drill
electric+drill_pag1.html

Blue Diamond >> B Words
Blue Diamond, definition of term: Blue Diamond
blue+diamond_pag1.html

Black Diamond >> B Words
Black Diamond, definition of term: Black Diamond
black+diamond_pag1.html