ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: so called from the oil in the nut
1.
a. : the sweet-flavored edible nut of an American tree ( Juglans cinerea ) that is distinguished from the black walnut by being ellipsoid and pointed
b. : the tree that bears butternuts — called also white walnut ; see tree illustration
2. : souari nut
3.
a.
(1) : coarse homespun cloth or jean of a brown color dyed with an extract from the butternut tree
(2) butternuts plural : an outer garment (as trousers or overalls) made of this cloth
b. slang : a soldier or partisan of the Confederacy during the Civil War