Noun whir has 1 sense
  1. whir, whirr, whirring, birr - sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"
    --1 is a kind of sound
    Derived form: verb whir1
,Verb whir 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 forms: noun whir1, noun whirring1
    Sample sentences:
    Cars whir in the streets
    The streets whir with cars
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