Learn how to say Whir correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word whir:
verb (whirs, whirring, whirred)
(of something rapidly rotating or moving to and fro) make a low, continuous, regular sound:
the ceiling fans whirred in the smoky air
a whirring sound:
the whir of the projector
late Middle English (in the sense ‘move with a whirring sound’): probably of Scandinavian origin; compare with whirl