‖n. [ L., sumac, fr. Gr. &unr_;&unr_;&unr_;. ] (Bot.) A genus of shrubs and small treets. See Sumac. [ 1913 Webster ]
n. [ See Rusma. ] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, -- used in the depilation of hides. Knight. [ 1913 Webster ]