black walnut tree black walnut • blackwash · · · Info · Definitions · Synonyms · Characters · · black walnut tree · · Text Common · · Latin · · Scripts 17 · · Length 4 · · Syllables Definitions · · · (noun) North American walnut tree with hard dark wood and edible nut. Synonyms: black walnut, black walnut tree, black hickory, Juglans nigra. · · Noun Definition 1 Synonyms · · · black walnut · · Synonym 1 black hickory · · Synonym 2 juglans nigra · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 k latin small letter k U+006B l latin small letter l U+006C 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 w latin small letter w U+0077