juglans nigra juglans cinerea • juglans regia · · · Info · Definitions · Synonyms · Characters · · juglans nigra · · Text Common · · Latin · · Scripts 13 · · 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 walnut tree · · Synonym 2 black hickory · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 i latin small letter i U+0069 j latin small letter j U+006A l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075