purr

Universal Words verb 1 [V] when a cat purrs, it makes a low continuous sound in the throat, especially when it is happy or comfortable: The cat was purring contentedly on my lap. 2 [V] (of a machine or vehicle) to make a low continuous sound; to move making such a sound: a purring engine * The car purred away. 3 to speak in a low and gentle voice, for example to show you are happy or satisfied, or because you want to attract sb or get them to do sth: [V] He was purring with satisfaction. [also Vspeech]۠ purr (also purring) noun [sing.]: the purr of a contented cat / a car engine