Alt. of Sumach
A plant genus of the family Anacardiaceae, order Sapindales, subclass Rosidae. It is a source of gallotannin (TANNIC ACID) and of somewhat edible fruit. Do not confuse with TOXICODENDRON which used to be part of this genus.
A shrub, whose leaves are much used for tanning and dyeing. See illus. on previous page. sumach.
n. [Arabic] A plant or shrub of the genus Rhus, and of many species, some of which are used in tanning, some in dyeing, and some in medicine :- also Sumach.