Plasm (plăz'm), n. [L. plasma anything formed or molded, that which is molded, Gr. πλάσμα, -ατος, from πλάσσειν to form, mold: cf. F. plasme. Cf. Plasma.] 1. A mold or matrix in which anything is cast or formed to a particular shape. [R.] Woodward.
2. (Biol.) Same as Plasma.