Dictionary
co•pe•pod
Pronunciation: (kō'pu-pod"), [key]—
n.
any of numerous tiny marine or freshwater crustaceans of the order (or subclass) Copepoda, lacking compound eyes or a carapace and usually having six pairs of limbs on the thorax, some abundant in plankton and others parasitic on fish.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.