pur

The vibrating sound made by a cat in its throat when contented.

A throaty, seductive sound of pleasure made by a person.

The low consistent rumble made by an engine at slow speed

Of a cat, to make a vibrating sound in its throat when contented.

To say (something) in a throaty, seductive manner.

To make a vibrating throaty sound, as from pleasure.

"He purred like a kitten when she massaged his neck."

(of an engine) To make a low and consistent rumbling sound.