The Collaborative International Dictionary of English v.0.48:

Cypris \Cy"pris\ (s?"pr?s), n.; pl. Cyprides (s?p"r?-d?z). [L.
   Cypris, the Cyprian goddess Venus, Gr. Ky`pris. See
   Cyprian.] (Zool.)
   A genus of small, bivalve, fresh-water Crustacea, belonging
   to the Ostracoda; also, a member of this genus.
   [1913 Webster]