steamer clam

(noun) a clam that is usually steamed in the shell. Synonyms: soft-shell clam, steamer, steamer clam, long-neck clam.

(noun) an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe. Synonyms: soft-shell clam, steamer, steamer clam, long-neck clam, Mya arenaria.