The Collaborative International Dictionary
Gymnoplast
Gymnoplast \Gym"no*plast\ (j[i^]m"n[-o]*pl[a^]st), n. [Gr. gymno`s naked + pla`ssein to shape, mold.] (Biol.) A cell or mass of protoplasm devoid of an envelope, as a white blood corpuscle.
Wiktionary
gymnoplast
n. (context biology English) A cell or mass of protoplasm devoid of an envelope, such as a white blood corpuscle.