butternut tree butternut squash • butter oil · · · Info · Definitions · Synonyms · Characters · · butternut tree · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) North American walnut tree having light-brown wood and edible nuts; source of a light-brown dye. Synonyms: butternut, butternut tree, white walnut, Juglans cinerea. · · Noun Definition 1 Synonyms · · · butternut · · Synonym 1 white walnut · · Synonym 2 juglans cinerea · · Synonym 3 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075