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

walnut \wal"nut\, n. oe. walnot, as. wealh-hnutu a welsh or
   foreign nut, a walnut; wealh foreign, strange, n., a
   welshman, celt akin to ohg. walh, properly, a celt, from the
   name of a celtic tribe, in l. volcae + hnutu a nut; akin to
   d. walnoot, g. walnuss, icel. valhnot, sw. valn"ot, dan
   valn"od. see nut, and cf. welsh. bot.
   the fruit or nut of any tree of the genus juglans; also,
   the tree, and its timber. the seven or eight known species
   are all natives of the north temperate zone.
   1913 webster
   1913 webster

   note: in some parts of america, especially in new england,
         the name walnut is given to several species of hickory
         carya, and their fruit.
         1913 webster

   ash-leaved walnut, a tree juglans fraxinifolia, native
      in transcaucasia.

   black walnut, a north american tree juglans nigra
      valuable for its purplish brown wood, which is extensively
      used in cabinetwork and for gunstocks. the nuts are
      thick-shelled, and nearly globular.

   english walnut, or european walnut, a tree juglans
      regia, native of asia from the caucasus to japan,
      valuable for its timber and for its excellent nuts, which
      are also called madeira nuts.

   walnut brown, a deep warm brown color, like that of the
      heartwood of the black walnut.

   walnut oil, oil extracted from walnut meats. it is used in
      cooking, making soap, etc.

   white walnut, a north american tree juglans cinerea,
      bearing long, oval, thick-shelled, oily nuts, commonly
      called butternuts. see butternut.
      1913 webster
see also:
nut welsh juglans carya ash-leaved walnut juglans fraxinifolia 
black walnut juglans nigra english walnut european walnut juglans regia 
madeira nuts walnut brown walnut oil white walnut juglans cinerea 
butternuts butternut 

[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

black walnut
     n 1: north american walnut tree with hard dark wood and edible
          nut syn: black walnut tree, black hickory, juglans
          nigra
     2: american walnut having a very hard and thick woody shell
see also:
black walnut tree black hickory juglans nigra 

Black >> B Words
Black, definition of term: Black
black_pag1.html

Black Hawk >> B Words
Black Hawk, definition of term: Black Hawk
black+hawk_pag1.html

Black Hole >> B Words
Black Hole, definition of term: Black Hole
black+hole_pag1.html

Black Haw >> B Words
Black Haw, definition of term: Black Haw
black+haw_pag1.html

Black Friday >> B Words
Black Friday, definition of term: Black Friday
black+friday_pag1.html

Black Flag >> B Words
Black Flag, definition of term: Black Flag
black+flag_pag1.html

Black Horse >> B Words
Black Horse, definition of term: Black Horse
black+horse_pag1.html

Black Gum >> B Words
Black Gum, definition of term: Black Gum
black+gum_pag1.html

Black Jack >> B Words
Black Jack, definition of term: Black Jack
black+jack_pag1.html

Black Mangrove >> B Words
Black Mangrove, definition of term: Black Mangrove
black+mangrove_pag1.html

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