/ Dictionary / Index B butternut: Meaning and Definition of Find definitions for: but•ter•nut Pronunciation: (but'ur-nut"), [key] — n. Also calledthe edible oily nut of an American tree, Juglans cinerea, of the walnut family. the tree itself. the light-brown wood of this tree, used for making furniture. the light-brown color resulting from a dye made from this tree. a Confederate soldier or partisan, esp. one whose uniform was dyed with an extract from this tree. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: butternut (Thesaurus) butter muslin butternut squash Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language