Found 2 items, similar to round clam.
English → English (WordNet) Definition: round clam round clam n 1: Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes [syn: quahaug, quahog, hard-shell clam] 2: an edible American clam [syn: quahog, quahaug, hard-shell clam , Venus mercenaria, Mercenaria mercenaria]
English → English (gcide) Definition: round clam Quahog \Qua"hog\, Quahaug \Qua"haug\, n. [Abbrev. fr. Narragansett Indian poqua[^u]hock.] (Zo["o]l.) An American market clam (Venus mercenaria). It is sold in large quantities, and is highly valued as food. Called also round clam, and hard clam. [1913 Webster] Note: The name is also applied to other allied species, as Venus Mortoni of the Gulf of Mexico. [1913 Webster]