The stainless-steel blender, its base embossed with a yak logo, begins to whirr.
From the time.com
We watched it for a long time and then, with a brief whirr of wings, it was gone.
From the guardian.co.uk
Forget pressing a button and waiting for your hard drive to whirr into action.
From the newscientist.com
There's no chatter of assembly workers, just the whirr and click of machines.
From the newscientist.com
Higher, much further out, black birds whirr silently beneath a concave vault of sky.
From the guardian.co.uk
The slow movement of a piano concerto vied with the whirr of the defroster.
From the nytimes.com
The server racks are nearly silent, and their internal fans whirr almost imperceptibly.
From the economist.com
Sound-dampening foam on the inside of the case reduced the whirr of the fan considerably.
From the businessweek.com
Then a brown whirr crossed my path from right to left, north to south.
From the guardian.co.uk
More examples
Whir: sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"
Whizz: make a soft swishing sound; "the motor whirred"; "the car engine purred"
Churr: make a vibrant sound, as of some birds
A sibilant buzz or vibration; the sound of something in rapid motion; A bustle of noise and excitement; To move or vibrate (something) with a buzzing sound; To make a sibilant buzzing or droning sound; To cause (something) to make such a sound