Pis·ta·ci·a n. 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.
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Pistacia
n : a dicotyledonous genus of trees of the family Anacardiaceae
having drupaceous fruit [syn: genus Pistacia]