Source : Webster's Revised Unabridged Dictionary (1913)

Copepoda \Co*pep"o*da\, n. pl. [NL., from Gr. ? an oar + -poda.]
   (Zo["o]l.)
   An order of Entomostraca, including many minute Crustacea,
   both fresh-water and marine.

   Note: They have a distinct carapace. The eggs are carried in
         a pair of external pouches. Some are parasites of
         fishes.

Source : WordNet®

Copepoda
     n : minute planktonic or parasitic crustaceans [syn: {subclass
         Copepoda}]