purring?
A humming bird
The word is droning. It means to make a continuous low humming sound.
1. a low humming sound (noun) 2. a male bee (noun)
Possibly worn wheel bearings can create a humming or groaning sound.
To make a humming or hissing sound, like an arrow or ball flying through the air; to fly or move swiftly with a sharp hissing or whistling sound., A hissing and humming sound.
Its the sound telling you need new taps
I have a whirring sound in my ears Can you tell me what is causing it?
Hummingbirds got their name from the humming sound their wings make as they beat rapidly in flight, which can sound like a hum. This noise is created by the rapid movement of the wings and is a key characteristic of these small birds.
It is the sound of a person either humming or purring.
It has no specific "sound". It's just a loud humming noise.
Electric fuel pump
A loud humming sound