1. (v. i.) To whirl round, or revolve, with a whizzing noise; to fly or more quickly with a buzzing or whizzing sound; to whiz.

2. (v. t.) To hurry a long with a whizzing sound.

3. (n.) A buzzing or whizzing sound produced by rapid or whirling motion; as, the whir of a partridge; the whir of a spinning wheel.

angular momentum angular motion angular velocity axial motion birr bombilate bombinate boom bowling bum burr buzz centrifugation circulation circumgyration circumrotation drone full circle gyration hum pivoting purr reeling revolution roll rolling rotation rotational motion spin spinning swinging swirling swiveling thrum trolling trundling turbination turning volutation volution wheeling whirling whiz