Related Clues:

• It may be spare
• Cooper product
• The fifth is a spare
• Unicycle component
• Spot for studs
• Need to rest
• Mattress defect
• *Union, e.g.
• Droop dejectedly
• Lose momentum
• It may go bald
• Item in a car trunk
• Show age, in a way
• Become a bit deflated
• Ring around a rim