black henbane black hemlock • black hickory · · · Info · Definitions · Synonyms · Characters · · black henbane · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine. Synonyms: henbane, black henbane, stinking nightshade, Hyoscyamus niger. · · Noun Definition 1 Synonyms · · · henbane · · Synonym 1 stinking nightshade · · Synonym 2 hyoscyamus niger · · 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 h latin small letter h U+0068 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E