henbane henad • henbill · · · Info · Definitions · Synonyms · Characters · · henbane · · Text Latin · · Script 7 · · Length Definitions · · · (noun) poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine. Synonyms: black henbane, stinking nightshade, Hyoscyamus niger. · · Noun Definition 1 Synonyms · · · black henbane · · Synonym 1 stinking nightshade · · Synonym 2 hyoscyamus niger · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E