GNU Collaborative International Dictionary of English
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{ Sumac, Sumach } , n. [F. sumac, formerly sumach (cf. Sp. zumaque), fr. Ar. summÄq.] [Written also shumac.]
- (Bot.) Any plant of the genus Rhus, shrubs or small trees with usually compound leaves and clusters of small flowers. Some of the species are used in tanning, some in dyeing, and some in medicine. One, the Japanese Rhus vernicifera, yields the celebrated Japan varnish, or lacquer.1913 Webster
- The powdered leaves, peduncles, and young branches of certain species of the sumac plant, used in tanning and dyeing.1913 Webster
Poison sumac. (Bot.) See under Poison.
1913 Webster
- (Bot.) Any plant of the genus Rhus, shrubs or small trees with usually compound leaves and clusters of small flowers. Some of the species are used in tanning, some in dyeing, and some in medicine. One, the Japanese Rhus vernicifera, yields the celebrated Japan varnish, or lacquer.