bulldog

from WordNet (r) 3.0 (2006)
bulldog
    n 1: a sturdy thickset short-haired breed with a large head and
         strong undershot lower jaw; developed originally in England
         for bull baiting [syn: {bulldog}, {English bulldog}]
    v 1: attack viciously and ferociously
    2: throw a steer by seizing the horns and twisting the neck, as
       in a rodeo
    
from The Collaborative International Dictionary of English v.0.48
Dog \Dog\ (d[add]g or d[o^]g), n. [AS. docga; akin to D. dog
   mastiff, Dan. dogge, Sw. dogg.]
   1. (Zool.) A quadruped of the genus {Canis}, esp. the
      domestic dog ({Canis familiaris}).

   Note: The dog is distinguished above all others of the
         inferior animals for intelligence, docility, and
         attachment to man. There are numerous carefully bred
         varieties, as the {akita}, {beagle}, {bloodhound},
         {bulldog}, {coachdog}, {collie}, {Danish dog},
         {foxhound}, {greyhound}, {mastiff}, {pointer},
         {poodle}, {St. Bernard}, {setter}, {spaniel}, {spitz},
         {terrier}, {German shepherd}, {pit bull}, {Chihuahua},
         etc. There are also many mixed breeds, and partially
         domesticated varieties, as well as wild dogs, like the
         dingo and dhole. (See these names in the Vocabulary.)
         [1913 Webster +PJC]

   2. A mean, worthless fellow; a wretch.
      [1913 Webster]

            What is thy servant, which is but a dog, that he
            should do this great thing?           -- 2 Kings
                                                  viii. 13 (Rev.
                                                  Ver. )
      [1913 Webster]

   3. A fellow; -- used humorously or contemptuously; as, a sly
      dog; a lazy dog. [Colloq.]
      [1913 Webster]

   4. (Astron.) One of the two constellations, Canis Major and
      Canis Minor, or the Greater Dog and the Lesser Dog. Canis
      Major contains the Dog Star (Sirius).
      [1913 Webster]

   5. An iron for holding wood in a fireplace; a firedog; an
      andiron.
      [1913 Webster]

   6. (Mech.)
      (a) A grappling iron, with a claw or claws, for fastening
          into wood or other heavy articles, for the purpose of
          raising or moving them.
      (b) An iron with fangs fastening a log in a saw pit, or on
          the carriage of a sawmill.
      (c) A piece in machinery acting as a catch or clutch;
          especially, the carrier of a lathe, also, an
          adjustable stop to change motion, as in a machine
          tool.
          [1913 Webster]

   7. an ugly or crude person, especially an ugly woman. [slang]
      [PJC]

   8. a {hot dog}. [slang]
      [PJC]

   Note: Dog is used adjectively or in composition, commonly in
         the sense of relating to, or characteristic of, a dog.
         It is also used to denote a male; as, dog fox or g-fox,
         a male fox; dog otter or dog-otter, dog wolf, etc.; --
         also to denote a thing of cheap or mean quality; as,
         dog Latin.
         [1913 Webster]

   {A dead dog}, a thing of no use or value. --1 Sam. xxiv. 14.

   {A dog in the manger}, an ugly-natured person who prevents
      others from enjoying what would be an advantage to them
      but is none to him.

   {Dog ape} (Zool.), a male ape.

   {Dog cabbage}, or {Dog's cabbage} (Bot.), a succulent herb,
      native to the Mediterranean region ({Thelygonum
      Cynocrambe}).

   {Dog cheap}, very cheap. See under {Cheap}.

   {Dog ear} (Arch.), an acroterium. [Colloq.]

   {Dog flea} (Zool.), a species of flea ({Pulex canis}) which
      infests dogs and cats, and is often troublesome to man. In
      America it is the common flea. See {Flea}, and
      {Aphaniptera}.

   {Dog grass} (Bot.), a grass ({Triticum caninum}) of the same
      genus as wheat.

   {Dog Latin}, barbarous Latin; as, the dog Latin of pharmacy.
      

   {Dog lichen} (Bot.), a kind of lichen ({Peltigera canina})
      growing on earth, rocks, and tree trunks, -- a lobed
      expansion, dingy green above and whitish with fuscous
      veins beneath.

   {Dog louse} (Zool.), a louse that infests the dog, esp.
      {H[ae]matopinus piliferus}; another species is
      {Trichodectes latus}.

   {Dog power}, a machine operated by the weight of a dog
      traveling in a drum, or on an endless track, as for
      churning.

   {Dog salmon} (Zool.), a salmon of northwest America and
      northern Asia; -- the {gorbuscha}; -- called also {holia},
      and {hone}.

   {Dog shark}. (Zool.) See {Dogfish}.

   {Dog's meat}, meat fit only for dogs; refuse; offal.

   {Dog Star}. See in the Vocabulary.

   {Dog wheat} (Bot.), Dog grass.

   {Dog whelk} (Zool.), any species of univalve shells of the
      family {Nassid[ae]}, esp. the {Nassa reticulata} of
      England.

   {To give to the dogs}, or {To throw to the dogs}, to throw
      away as useless. "Throw physic to the dogs; I'll none of
      it." --Shak.

   {To go to the dogs}, to go to ruin; to be ruined.
      [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Bulldog \Bull"dog`\, n.
   1. (Zool.) A variety of dog, of remarkable ferocity, courage,
      and tenacity of grip; -- so named, probably, from being
      formerly employed in baiting bulls.
      [1913 Webster]

   2. (Metal.) A refractory material used as a furnace lining,
      obtained by calcining the cinder or slag from the puddling
      furnace of a rolling mill.
      [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Bulldog \Bull"dog`\, a.
   Characteristic of, or like, a bulldog; stubborn; as, bulldog
   courage; bulldog tenacity.
   [1913 Webster]

   {Bulldog bat} (Zo'94l.), a bat of the genus {Nyctinomus}; --
      so called from the shape of its face.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
47 Moby Thesaurus words for "bulldog":
      Achilles, David, Hector, Roland, Samson, a man, adherent, adhesive,
      barnacle, bramble, brave, brier, burr, cement, chutzpanik, decal,
      decalcomania, decorated hero, demigod, demigoddess, fighting cock,
      gallant, gamecock, glue, good soldier, gunk, hero, heroine, leech,
      limpet, lion, man of courage, molasses, mucilage, paladin, paste,
      plaster, prickle, remora, stalwart, sticker, syrup, the brave,
      thorn, tiger, valiant, valiant knight

    

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