The Collaborative International Dictionary
Gypsoplast
Gypsoplast \Gyp"so*plast\ (j[i^]p"s[-o]*pl[a^]st), n. [Gypsum + Gr. pla`ssein to mold.] A cast taken in plaster of Paris, or in white lime.
Wiktionary
gypsoplast
n. A cast taken in plaster of Paris, or in white lime.