quahaugs

1. Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishesSynonyms: hard-shell clam, quahaug, quahog, round clam

2. an edible American clam; the heavy shells were used as money by some American IndiansSynonyms: Mercenaria mercenaria, Venus mercenaria, hard clam, hard-shell clam, quahaug, quahog, round clam