- An edible <xref>clam</xref> with a hard shell found along the Atlantic Coast of <xref>North America</xref>. (scientific name <xref>Venus mercenaria</xref>)
- Large clams used in chowders and other clam dishes.
- Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes
- an edible American clam; the heavy shells were used as money by some American Indians