Main Entry: pis·ta·chio

Pronunciation: \pə-ˈsta-sh(ē-ˌ)ō, -ˈstä-\

Function: noun

Inflected Form(s): plural pis·ta·chios

Etymology: Italian pistacchio, from Latin pistacium pistachio nut, from Greek pistakion, from pistakē pistachio tree, of Iranian origin; akin to Persian pistah pistachio tree

Date: 1598

: a small Asian tree (Pistacia vera) of the cashew family whose drupaceous fruit contains a greenish edible seed; also : its seed