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Definition of "bulldog" []

  • Any of a breed of short-haired dog characterized by a large head, strong square jaws with dewlaps, and a stocky body. It was originally bred for bullbaiting. (noun)
  • A short-barreled, large-caliber revolver or pistol. (noun)
  • A heat-resistant material used to line puddling furnaces. (noun)
  • Chiefly British A proctor's assistant at Oxford University or Cambridge University. (noun)
  • Stubborn. (adjective)
  • A sturdy thickset breed of dog with an undershot jaw, short nose, broad head, and a muscular body (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • (at Oxford University) an official who accompanies the proctors on ceremonial occasions (noun)
  • A fixed-interest bond issued in Britain by a foreign borrower (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "bulldog" in a sentence
  • "I could now thoroughly appreciate the term bulldog, which I had heard applied to him by the soldiers."
  • "You see, among his friends, Rubén was known as a bulldog because once he grabbed onto something, he never let go."
  • "You see, among his friends, Rubén was known as a bulldog because once he grabbed onto something, he never let go."