Related Clues:

• Second-longest bone
• Sacrum or parietal, e.g.
• Treat for a terrier
• Detour sight
• Skeletal component
• Knee-ankle connector
• Prop for a '2001' ape-man
• See 69-Down
• Hammer or anvil
• Roadside marker
• Wish or fish ender
• Consolation prize
• Radius, e.g.
• Oft-buried item
• Study (up on)