Meaning of bulldog

bull•dog

Pronunciation: (bool'dôg", -dog"), [key]
— n., adj., v., -dogged, -dog•ging.
—n.
  1. one of an English breed of medium-sized, short-haired, muscular dogs with prominent, undershot jaws, usually having a white and tan or brindled coat, raised originally for bullbaiting.
  2. a stubbornly persistent person.
  3. a short-barreled revolver of large caliber.
  4. slag from a puddling furnace.
  5. an assistant to the proctor at Oxford and Cambridge universities.
—adj.
  1. like or characteristic of a bulldog or of a bulldog's jaws: bulldog obstinacy.
—v.t.
  1. to attack in the manner of a bulldog.
  2. to throw (a calf, steer, etc.) to the ground by seizing the horns and twisting the head.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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