whirr meaning and definition

WHIRR noun

Definition of whirr (noun)

1. sound of something in rapid motion
   • "whir of a bird's wings"; "the whir of the propellers"
   • synonyms: birr, whir, whirring

WHIRR verb

Definition of whirr (verb)

1. make a soft swishing sound
   • "the motor whirred"; "the car engine purred"
   • synonyms: birr, purr, whir, whiz, whizz
2. make a vibrant sound, as of some birds
   • synonyms: churr