- butternut, butternut tree, white walnut, Juglans cinerea - North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye
--1 is a kind of walnut, walnut tree
--1 is a member of Juglans, genus Juglans
--1 has parts: butternut - butternut - oily egg-shaped nut of an American tree of the walnut family
--2 is a kind of edible nut
--2 is a part of butternut, butternut tree, white walnut, Juglans cinerea