'Protoplasta' definitions:

Definition of 'Protoplasta'

From: GCIDE

Protoplasta \Pro`to*plas"ta\, n. pl. [NL.] (Zool.) A division of fresh-water rhizopods including those that have a soft body and delicate branched pseudopodia. The genus Gromia is one of the best-known. [1913 Webster]