Related Clues:
- Act the crybaby
- Sound finely tuned
- Siberian sound
- Smooth engine sound
- Feline call
- Result of some heavy petting?
- Plaintive pet sound
- Sound from a contented kitty
- Well-tuned engine sound
- Feline saying
- Sound like a baby
- Kitty's satisfied sound
- Persian language unit?
- Sound from an Abyssinian
- Sign of feline felicity