|Origin:||From the sound|
if a cat purrs, it makes a soft low sound in its throat to show that it is pleased
if the engine of a vehicle or machine purrs, it works perfectly and makes a quiet smooth sound:
The big Bentley purred along the road.
3 [intransitive and transitive]
to speak in a soft low sexy voice:
'That feels good,' she purred.
—purr noun [countable]