OXYCROCEUM, in pharmacy, &c. a preparation much used in plasters for fractures, &c. made as follows: Take yellow wax, one pound; pitch and galbanum, each half a pound; melt them over a gentle fire; and then add of Venice-turpentine, myrrh, and olibanum, each three ounces; saffron, two ounces: make them into a plaster.