pistachio

(pĭ-stăshˈē-ōˌ, -stäˈshē-ōˌ)

1. a. A deciduous tree (Pistacia vera) of central and western Asia, having pinnately compound leaves and dry, drupaceous, nutlike fruits.
   b. The nutlike fruit of this tree, having an edible, oily, green or yellow kernel.
2. The flavor of these nuts.