BIRR

• (noun) sound of something in rapid motion

  "whir of a bird's wings", "the whir of the propellers"

  synonyms : whir , whirr , whirring

• (noun) the basic unit of money in Ethiopia; equal to 100 cents

• (verb) make a soft swishing sound

  "the motor whirred", "the car engine purred"

  synonyms : purr , whir , whirr , whiz , whizz

WordNet® 3.0, © 2006 by Princeton University.

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