1. An edible American clam; the heavy shells were used as money by some American Indians
   "The round clam shells were polished to make traditional wampum";
   - quahog, quahaug, hard-shell clam, hard clam, Venus mercenaria, Mercenaria mercenaria
    
2. Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes
   "They gathered round clams for a traditional clambake";
   - quahaug, quahog, hard-shell clam

Derived forms: round clams

Type of: clam

Part of: genus Venus, Venus

Encyclopedia: Round clam