From Longman Dictionary of Contemporary Englishwhirwhir /wɜː $ wɜːr/ verb [intransitive] x-refanother spelling of whirr→ See Verb table
Examples from the Corpus
whir• Some of them take a second or two to stop whirring and clacking as they wind tape off a drum.• The pesticides treadmill is still whirring away.• The fans whir in the background, filling the locker room with white noise.• I saw it again that morning: the milk-float, whirring into another day.• They can speak, via a whirring mechanical voice box, and they have mechanical human hands rather than paws.• The whirring of our locust jaws is what keeps you awake.• Once Blanche saw his hands whirring over each other, she knew there was some hope. 