Related Clues:

• Peacock-tail feature
• See 21-Down
• See 43-Across
• Look over
• Where beauty is, to the beholder
• Needle part
• See 65-Down
• Potato protuberance
• Peer group member?
• Surveil
• What a contact contacts
• Common to potato or needle
• Optometrist's concern
• Biggest human organ
• One of Argus's array