Breadcrumb Home > Thesaurus > B Synonyms of butternut Find synonyms for: Noun 1. butternut, butternut tree, white walnut, Juglans cinerea, walnut, walnut tree usage: North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye 2. butternut, edible nut usage: oily egg-shaped nut of an American tree of the walnut family WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of butternut (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: minatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language