shumac

noun4

1. •
   Any of various shrubs or small trees of the genus Rhus and certain other genera in Anacardiaceae.

   • The Rhamnus of Maderaspatan, and the Trifoliate Sumachs from the Coast of Africa, are altogether new. — 1693
2. •
   A sour spice popular in the Eastern Mediterranean, made from the berries of tanner's sumac.
3. •
   particularly, one of species Rhus coriaria (tanner's sumac)
4. •
   Dried and chopped-up leaves and stems of a plant of the genus Rhus, particularly tanner's sumac (see sense 1), used for dyeing and tanning leather or for medicinal purposes.