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Noun birr has 2 senses
  1. birr - the basic unit of money in Ethiopia; equal to 100 cents
    --1 is a kind of     Ethiopian monetary unit
    --1 has part: cent
  2. whir, whirr, whirring, birr - sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"
    --2 is a kind of sound
    Derived form: verb birr1
,Verb birr has 1 sense
  1. whizz, whiz, whirr, whir, birr, purr - make a soft swishing sound; "the motor whirred"; "the car engine purred"
    --1 is one way to sound, go
    Derived form: noun birr2
    Sample sentence:
    Something ----s
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