Sound of something in rapid motion
To whirl round, or revolve, with a whizzing noise; to fly or more quickly with a buzzing or whizzing sound; to whiz.
Noun
 sound of something in rapid motion; "whir of a bird''s wings"; "the whir of the propellers"
Verb
 make a soft swishing sound; "the motor whirred"; "the car engine purred"
v. i.
 To whirl round, or revolve, with a whizzing noise; to fly
   or more quickly with a buzzing or whizzing sound; to whiz.
v. t.
 To hurry a long with a whizzing sound.
n.
 A buzzing or whizzing sound produced by rapid or whirling
   motion; as, the whir of a partridge; the whir of a spinning wheel.
Whir
The partridge bursts away on whirring wings.
Whir
This world to me is like a lasting storm, Whirring me from my friends.
Whir
To whirl round, or revolve, with a whizzing noise; to fly or more quickly with a buzzing or whizzing sound; to whiz.
To hurry a long with a whizzing sound.
A buzzing or whizzing sound produced by rapid or whirling motion; 
Usage Examples
Whir, Whir, hir, Whir, Wghir, Wyhir, Wuhir, Wjhir, Wnhir, Wgir, Wyir, Wuir, Wjir, Wnir, Whgir, Whyir, Whuir, Whjir, Whnir, Whuir, Wh8ir, Wh9ir, Whoir, Whjir, Whkir, Whur, Wh8r, Wh9r, Whor, Whjr, Whkr, Whiur, Whi8r, Whi9r, Whior, Whijr, Whikr, Whier, Whi4r, Whi5r, Whitr, Whifr, Whie, Whi4, Whi5, Whit, Whif, Whire, Whir4, Whir5, Whirt, Whirf.