purr

 
Pronunciation: /pəː/

verb

[no object]
  • (of a cat) make a low continuous vibratory sound expressing contentment: the cat purred loudly, rubbing against her legs
  • [no object, with adverbial of direction] (of a vehicle or engine) move smoothly while making a similar sound: a sleek blue BMW purred past him
  • speak in a low, soft voice, especially when expressing contentment or acting seductively: [with direct speech]: ‘Would you like a coffee?’ she purred

noun

  • a purring sound: a contented purr with a soft purr, the car headed out on to the road

Origin:

early 17th century: imitative