Definitions for "ostracod"
A member of the Ostracoda, an order of tiny marine and freshwater crustaceans with a shrimplike body enclosed in a bivalve shell.
(Gr. ostrakon: shell, scale) n. Any of the crustacean of the class Ostracoda. See Ostracoda.
tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell