‖n.; pl.Plasmodia [ NL. See Plasma. ] 1. (Biol.) A jellylike mass of free protoplasm, without any union of amœboid cells, and endowed with life and power of motion. [ 1913 Webster ]
2. (Zool.) A naked mobile mass of protoplasm, formed by the union of several amœbalike young, and constituting one of the stages in the life cycle of Mycetozoa and other low organisms. [ 1913 Webster ]