Related Clues:

• Puck, essentially
• Spine segment
• Computer storage medium
• UFO's shape, perhaps
• Piece in the game Reversi
• Platter?
• Chip shape
• Compact-__ player (audio device)
• A laser might read it
• Phonograph record
• Tiddlywinks piece
• Lozenge shape
• *CD part
• Record, e.g.
• Layer of cartilege between vertebrae