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

bear \bear\ b^ar, n. oe. bere, as. bera; akin to d. beer,
   ohg. bero, pero, g. baumr, icel.  sw. bj"orn, and
   possibly to l. fera wild beast, gr. fh`r beast, skr. bhalla
   bear.
   1913 webster
   1. zool. any species of the genus ursus, and of the
      closely allied genera. bears are plantigrade carnivora,
      but they live largely on fruit and insects.
      1913 webster

   note: the european brown bear ursus arctos, the white
         polar bear ursus maritimus, the grizzly bear
         ursus horribilis, the american black bear, and its
         variety the cinnamon bear ursus americanus, the
         syrian bear ursus syriacus, and the sloth bear, are
         among the notable species.
         1913 webster

   2. zool. an animal which has some resemblance to a bear in
      form or habits, but no real affinity; as, the woolly bear;
      ant bear; water bear; sea bear.
      1913 webster

   3. astron. one of two constellations in the northern
      hemisphere, called respectively the great bear and the
      lesser bear, or ursa major and ursa minor.
      1913 webster

   4. metaphorically: a brutal, coarse, or morose person.
      1913 webster

   5. stock exchange a person who sells stocks or securities
      for future delivery in expectation of a fall in the
      market.
      1913 webster

   note: the bears and bulls of the stock exchange, whose
         interest it is, the one to depress, and the other to
         raise, stocks, are said to be so called in allusion to
         the bear's habit of pulling down, and the bull's of
         tossing up.
         1913 webster

   6. mach. a portable punching machine.
      1913 webster

   7. naut. a block covered with coarse matting; -- used to
      scour the deck.
      1913 webster

   australian bear. zool. see koala.

   bear baiting, the sport of baiting bears with dogs.

   bear caterpillar zool., the hairy larva of a moth, esp.
      of the genus euprepia.

   bear garden.
      a a place where bears are kept for diversion or
          fighting.
      b any place where riotous conduct is common or
          permitted. --m. arnold.

   bear leader, one who leads about a performing bear for
      money; hence, a facetious term for one who takes charge of
      a young man on his travels.
      1913 webster
see also:
ursus carnivora ursus arctos ursus maritimus ursus horribilis ursus americanus 
ursus syriacus great bear lesser bear ursa major ursa minor 
australian bear koala bear baiting bear caterpillar euprepia 
bear garden bear leader 

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

black \black\ bla^k, a. oe. blak, as. blaec; akin to
   icel. blakkr dark, swarthy, sw. blaumck ink, dan. blaek,
   ohg. blach, lg.  d. blaken to burn with a black smoke. not
   akin to as. bl=ac, e. bleak pallid. root98.
   1. destitute of light, or incapable of reflecting it; of the
      color of soot or coal; of the darkest or a very dark
      color, the opposite of white; characterized by such a
      color; as, black cloth; black hair or eyes.
      1913 webster

            o night, with hue so black           --shak.
      1913 webster

   2. in a less literal sense: enveloped or shrouded in
      darkness; very dark or gloomy; as, a black night; the
      heavens black with clouds.
      1913 webster

            i spy a black, suspicious, threatening cloud.
                                                  --shak.
      1913 webster

   3. fig.: dismal, gloomy, or forbidding, like darkness;
      destitute of moral light or goodness; atrociously wicked;
      cruel; mournful; calamitous; horrible. "this day's black
      fate." "black villainy." "arise, black vengeance." "black
      day." "black despair." --shak.
      1913 webster

   4. expressing menace, or discontent; threatening; sullen;
      foreboding; as, to regard one with black looks.
      1913 webster

   note: black is often used in self-explaining compound words;
         as, black-eyed, black-faced, black-haired,
         black-visaged.
         1913 webster

   black act, the english statute 9 george i, which makes it a
      felony to appear armed in any park or warren, etc., or to
      hunt or steal deer, etc., with the face blackened or
      disguised. subsequent acts inflicting heavy penalties for
      malicious injuries to cattle and machinery have been
      called black acts.

   black angel zool., a fish of the west indies and florida
      holacanthus tricolor, with the head and tail yellow,
      and the middle of the body black.

   black antimony chem., the black sulphide of antimony,
      sb2s3, used in pyrotechnics, etc.

   black bear zool., the common american bear ursus
      americanus.

   black beast. see b^ete noire.

   black beetle zool., the common large cockroach blatta
      orientalis.

   black bonnet zool., the black-headed bunting embriza
      schoeniclus of europe.

   black canker, a disease in turnips and other crops,
      produced by a species of caterpillar.

   black cat zool., the fisher, a quadruped of north america
      allied to the sable, but larger. see fisher.

   black cattle, any bovine cattle reared for slaughter, in
      distinction from dairy cattle. eng.

   black cherry. see under cherry.

   black cockatoo zool., the palm cockatoo. see cockatoo.
      

   black copper. same as melaconite.

   black currant. bot. see currant.

   black diamond. min. see carbonado.

   black draught med., a cathartic medicine, composed of
      senna and magnesia.

   black drop med., vinegar of opium; a narcotic preparation
      consisting essentially of a solution of opium in vinegar.
      

   black earth, mold; earth of a dark color. --woodward.

   black flag, the flag of a pirate, often bearing in white a
      skull and crossbones; a signal of defiance.

   black flea zool., a flea beetle haltica nemorum
      injurious to turnips.

   black flux, a mixture of carbonate of potash and charcoal,
      obtained by deflagrating tartar with half its weight of
      niter. --brande  c.

   black forest a translation of g. schwarzwald, a forest in
      baden and w"urtemburg, in germany; a part of the ancient
      hercynian forest.

   black game, or black grouse. zool. see blackcock,
      grouse, and heath grouse.

   black grass bot., a grasslike rush of the species juncus
      gerardi, growing on salt marshes, and making good hay.

   black gum bot., an american tree, the tupelo or
      pepperidge. see tupelo.

   black hamburg grape bot., a sweet and juicy variety of
      dark purple or "black" grape.

   black horse zool., a fish of the mississippi valley
      cycleptus elongatus, of the sucker family; the
      missouri sucker.

   black lemur zool., the lemurniger of madagascar; the
      acoumbo of the natives.

   black list, a list of persons who are for some reason
      thought deserving of censure or punishment; -- esp. a list
      of persons stigmatized as insolvent or untrustworthy, made
      for the protection of tradesmen or employers. see
      blacklist, v. t.

   black manganese chem., the black oxide of manganese,
      mno2.

   black maria, the close wagon in which prisoners are carried
      to or from jail.

   black martin zool., the chimney swift. see swift.

   black moss bot., the common so-called long moss of the
      southern united states. see tillandsia.

   black oak. see under oak.

   black ocher. see wad.

   black pigment, a very fine, light carbonaceous substance,
      or lampblack, prepared chiefly for the manufacture of
      printers' ink. it is obtained by burning common coal tar.
      

   black plate, sheet iron before it is tinned. --knight.

   black quarter, malignant anthrax with engorgement of a
      shoulder or quarter, etc., as of an ox.

   black rat zool., one of the species of rats mus
      rattus, commonly infesting houses.

   black rent. see blackmail, n., 3.

   black rust, a disease of wheat, in which a black, moist
      matter is deposited in the fissures of the grain.

   black sheep, one in a family or company who is unlike the
      rest, and makes trouble.

   black silver. min. see under silver.

   black and tan, black mixed or spotted with tan color or
      reddish brown; -- used in describing certain breeds of
      dogs.

   black tea. see under tea.

   black tin mining, tin ore cassiterite, when dressed,
      stamped and washed, ready for smelting. it is in the form
      of a black powder, like fine sand. --knight.

   black walnut. see under walnut.

   black warrior zool., an american hawk buteo harlani.
      1913 webster

   syn: dark; murky; pitchy; inky; somber; dusky; gloomy; swart;
        cimmerian; ebon; atrocious.
        1913 webster
see also:
white black act black angel holacanthus tricolor black antimony sb2s3 
black bear ursus americanus black beast b^ete noire black beetle 
blatta orientalis black bonnet embriza schoeniclus black canker black cat 
fisher black cattle black cherry cherry black cockatoo 
cockatoo black copper melaconite black currant currant 
black diamond carbonado black draught black drop black earth 
black flag black flea haltica nemorum black flux black forest 
black game black grouse blackcock grouse heath grouse 
black grass juncus gerardi black gum tupelo black hamburg grape 
black horse cycleptus elongatus black lemur lemurniger acoumbo 
black list blacklist black manganese mno2 black maria 
black martin swift black moss tillandsia black oak 
oak black ocher wad black pigment black plate 
black quarter black rat mus rattus black rent blackmail 
black rust black sheep black silver silver black and tan 
black tea tea black tin black walnut walnut 
black warrior buteo harlani 

[3] : WordNet (r) 2.0

ursus americanus
     n : brown to black north american bear; smaller and less
         ferocious than the brown bear syn: american black bear,
          black bear, euarctos americanus
see also:
american black bear black bear euarctos americanus 

Ursus >> U Words
Ursus, definition of term: Ursus
ursus_pag1.html

Ursus Horribili >> U Words
Ursus Horribili, definition of term: Ursus Horribili
ursus+horribili_pag1.html

Ursus Americanu >> U Words
Ursus Americanu, definition of term: Ursus Americanu
ursus+americanu_pag1.html

Ursus Arctos >> U Words
Ursus Arctos, definition of term: Ursus Arctos
ursus+arctos_pag1.html