[pis.mo clam] n, often cap P [Pismo Beach, Calif.] (1913): a thick-shelled clam (Tivela stultorum) of the southwest coast of No. America used extensively for food
PISMO CLAM
Meaning of PISMO CLAM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012