Medical Definition of Copepoda
: a subclass of Crustacea comprising minute aquatic forms abundant in both fresh and salt waters and including one order (Eucopepoda) whose members are chiefly free-living and important as fish food and another order (Branchiura) whose members are parasitic on the skin and gills of fish
copepod\ˈkō-pə-ˌpäd\play noun or adjective
Seen and Heard
What made you want to look up Copepoda? Please tell us where you read or heard it (including the quote, if possible).