Related Clues:

• One-of-a-kind
• It's often served with a lemon wedge
• Being the only one
• Loafer's bottom
• Unduplicated
• See 16 Across
• Type of proprietor
• Flat fish
• Type of fish
• Low part of a high top
• Dover dish
• Golf-club part
• ''Filet'' fish
• Like some heirs
• High-top's low part