razor clam


noun

any bivalve mollusk of the family Solenidae, especially of the genus Ensis, having a long, rectangular, slightly curved shell.
Also called jackknife clam.

Origin of razor clam

An Americanism dating back to 1880–85

Example sentences from the Web for jackknife clam

  • Ive got a lot of starfish and a horse-shoe crab and some razor-clam shells and two shark eggs.

    The Lucky Seventh |Ralph Henry Barbour