Noun henbane has 1 sense
  1. henbane, black henbane, stinking nightshade, Hyoscyamus niger - poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
    --1 is a kind of herb, herbaceous plant
    --1 is a member of Hyoscyamus, genus Hyoscyamus
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