Related Clues:

• Lessen gradually
• Undergo recession
• Natural depression
• Crooner Jerry
• Wash out to sea
• Where a stream may run
• 55-Down's opposite
• Rill setting
• How low can you go?
• Lowest point
• 'Cabaret' lyricist
• Smallest possible
• A river runs through it, often
• "Volare" singer Jerry
• Celestial point