Meaning of butternut

but•ter•nut

1. Also calledthe edible oily nut of an American tree, Juglans cinerea, of the walnut family.
2. the tree itself.
3. the light-brown wood of this tree, used for making furniture.
4. the light-brown color resulting from a dye made from this tree.
5. a Confederate soldier or partisan, esp. one whose uniform was dyed with an extract from this tree.
6. See