Dictionary.com
definitions

lady-of-the-night

[ley-dee-uh v-th uh-nahyt]
noun, plural la·dies-of-the-night.
  1. a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.

Origin of lady-of-the-night

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018