pismo clam

[ piz-moh ]
/ ˈpɪz moʊ /

noun

a large edible clam, Tivela stultorum, of sandy shores of California and Mexico.

Origin of pismo clam

First recorded in 1910–15; after Pismo Beach, California
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019