The word is droning. It means to make a continuous low humming sound.
1. a low humming sound (noun) 2. a male bee (noun)
a humming sound to show you that it is secure.
An abnormal humming could be emitted from the alternator, water pump, the a/c pump, any number of things.
that would be the wings, like all flying insects that make a buzzing 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.
The annoying humming sound of a swarm of bees.
The buttock., To make murmuring or humming sound., A humming noise.
id say type and size of tire, and if bearings are bad either or will make that humming sound.
They got their names as humming birds because when they move their wing very quickly And from that humming sounds come this is why they are called humming birds
it would depend on what kind of humming sound you are referring too. If you are over due on a transmission service or what not it will humm at higher speeds and as you slow down the humming slows with it, or if your brakes have gone bad it will make a humming sound once you hit over 30 mph. it could be a lot of things but those are some options to check out
wheel bearing