Related Clues:

• Tiny amount
• Buck
• Tiny payment
• Flying eagle, e.g.
• Copper
• With 15-Across, linguini topping
• Silent one
• Dollar, in slang
• Smacker
• Hardly a blabbermouth
• See 5-Down
• Word on a coin
• Symbol of noncommunication
• Small change
• Shut (up)