Related Clues:

• Buck
• Bar fare
• With 15-Across, linguini topping
• Silent one
• Dollar, in slang
• Smacker
• Hardly a blabbermouth
• Kind of fork
• Symbol of noncommunication
• Shut (up)
• Bisque bit
• It may be in a stew
• Chowder morsel
• Sea creature
• Quahog, for one