D defs.my
Entry 1 sense Webster, 1913

Nightshade

/nīch'-ādˌ/ · Night·shade · IPA /ˈnaɪt.ʃeɪd/
01 n. A common name of many species of the genus Solanum, given esp. to the Solanum nigrum, or black nightshade, a low, branching weed with small…
  1. 1.
    A common name of many species of the genus Solanum, given esp. to the Solanum nigrum, or black nightshade, a low, branching weed with small white flowers and black berries reputed to be poisonous.(Bot.)
Phrases & compounds
Deadly nightshade — Same as Belladonna (a).
Enchanter's nightshade — See under Enchanter.
Stinking nightshade — See Henbane.
Three-leaved nightshade — See Trillium.