Related Clues:

• Ask for milk?
• Alley sound
• Contented cat's sound
• Tabby's cry
• Persian plaint
• Kitten sound
• Cry over spilt milk?
• Baby animal noise
• Plaint near a bowl of milk, sometimes
• Dinner request, maybe
• Comment from a 29 Across
• Remark from 42-Across
• Sign of contentment
• Relaxed sound
• Run softly