'Polycystidea' definitions:

Definition of 'Polycystidea'

From: GCIDE
  • Polycystidea \Pol`y*cys*tid"e*a\, n. pl. [NL. See Poly-, and Cystidea.] (Zool.) A division of Gregarin[ae] including those that have two or more internal divisions of the body. [1913 Webster]