Meaning of lady-of-the-night

la•dy-of-the-night

Pronunciation: (lā'dē-uv-u-nīt'), [key]
— pl. la•dies-of-the-night.
  1. a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.