ark shell

Definitions of ark shell
1

n marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface

Type of:
bivalve, lamellibranch, pelecypod
marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.