Source : WordNet®

steamer clam
     n 1: a clam that is usually steamed in the shell [syn: {soft-shell
          clam}, {steamer}, {long-neck clam}]
     2: an edible clam with thin oval-shaped shell found in coastal
        regions of the United States and Europe [syn: {soft-shell
        clam}, {steamer}, {long-neck clam}, {Mya arenaria}]