Related Clues:

• Meowing mammal
• Litter box visitor
• Cellar-dwelling Ohioans
• Ports, for instance
• Mass instrument, often
• Source of ballpark pitches?
• Liver or kidney
• Left-wingers
• Heart or kidney
• It's often played on Sunday
• Animal known for its righting reflex
• One often planted on a window ledge?
• It's in the ballpark
• Nap or nip preceder
• Tractor make, briefly