Pistacia n 1: a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit [syn: {Pistacia}, {genus Pistacia}]
Pistacia \Pis*ta"ci*a\, n. [NL. See {Pistachio}.] (Bot.) The name of a genus of trees, including the tree which bears the pistachio ({Pistacia vera}), the Mediterranean mastic tree ({Pistacia Lentiscus}), and the species ({Pistacia Terebinthus}) which yields Chian or Cyprus turpentine. [1913 Webster]