noun [C] 1 a case made of PLASTER OF PARISthat covers a broken bone and protects it 石膏夹;石膏绷带 ☞picture at health 见health插图
2 a copy of sth, made using PLASTER OF PARIS 石膏模型: They took a plaster cast of the teeth for identification purposes. 他们制作了一副牙齿模型作识别之用。