whir

Definitions of whir
1

n sound of something in rapid motion

whir of a bird's wings”
“the whir of the propellers”
Synonyms:
birr, whirr, whirring
Type of:
sound
the sudden occurrence of an audible event

v make a soft swishing sound

“the motor whirred
Synonyms:
birr, purr, whirr, whiz, whizz
Type of:
go, sound
make a certain noise or sound

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