purr
/pɝ/ interjection C2- Vibrating sound made by a cat.
From the library
The whine had changed to a sort of humming purr that seemed to come from every quarter of the compass.
The purr grew louder, and ended in the full-throated “Aaarh!” of the tiger’s charge.
Sometimes Bagheera the Black Panther would come lounging through the jungle to see how his pet was getting on, and would purr with his head against a tree while Mowgli recited the day’s lesson to Baloo.
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