su·mac also su·mach (smăk, sh-)
1. Any of various shrubs or small trees of the genera Rhus and Toxicodendron, having compound leaves, clusters of small greenish flowers, and usually red, hairy fruit. Species in the genus Toxicodendron, such as poison sumac, have toxic sap.
2. A tart, dark reddish-brown powder made from the ground dried fruits of a Eurasian sumac (Rhus coriaria), used as a seasoning in Middle Eastern cuisine.
[Middle English, preparation made from sumac, from Old French (possibly via Medieval Latin sumach), from Arabic summāq, sumac tree, from Aramaic, dark red, from səmaq, to be red; see smq in the Appendix of Semitic roots.]
(click for a larger image)sumac
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