Related Clues:

• Oxford foundation
• Chowder chunk
• Nontalkative one
• Lemon ___
• Silent type
• It's under foot
• Happy mollusk?
• Cherrystone, e.g.
• Dover delicacy
• Chowder flavor
• Simoleon
• Part of a foot
• Reticent one
• One who's close-mouthed
• Soup or sandwich ingredient