Source : Webster's Revised Unabridged Dictionary (1913)

Copepod \Cop"e*pod\, a. (Zo["o]l.)
   Of or pertaining to the Copepoda. -- n. One of the Copepoda.

Source : WordNet®

copepod
     n : minute marine or fresh-water crustaceans usually having six
         pairs of limbs on the thorax; some abundant in plankton
         and others parasitic on fish [syn: {copepod crustacean}]