(~s, ~ing, ~ed)
1.
When a cat ~s, it makes a low vibrating sound with its throat because it is contented.
The plump ginger kitten had settled comfortably in her arms and was ~ing enthusiastically.
VERB: V
2.
When the engine of a machine such as a car ~s, it is working and making a quiet, continuous, vibrating sound.
Both boats ~ed out of the cave mouth and into open water...
VERB: V prep
•
Purr is also a noun.
Carmela heard the ~ of a motor-cycle coming up the drive.
N-SING