- pistachio, Pistacia vera, pistachio tree - small tree of southern Europe and Asia Minor bearing small hard-shelled nuts
--1 is a kind of nut tree
--1 is a member of Pistacia, genus Pistacia
--1 has parts: pistachio, pistachio nut - pistachio, pistachio nut - nut of Mediterranean trees having an edible green kernel
--2 is a kind of edible nut
--2 is a part of pistachio, Pistacia vera, pistachio tree