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Definition of "birr" [birr]

  • A whirring sound. (noun)
  • Strong forward momentum; driving force. (noun)
  • To make a whirring sound. (verb-intransitive)
  • See Table at currency. (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.

Use "birr" in a sentence
  • "When the British Tommies heard the "birr" of the five-inch"
  • "A tattered white sheet drops from the ceiling to serve as background for the requisite digital photo, which she takes of each entrant as part of the 10 birr she charges per submission."
  • "The post office can also create an email address, which the State Department requires, for an additional two birr."