Hothouse /(?)/

Hot·house

Hothouse

n.
  1. A house kept warm to shelter tender plants and shrubs from the cold air; a place in which the plants of warmer climates may be reared, and fruits ripened.
  2. A bagnio, or bathing house. [Obs.]
  3. A brothel; a bagnio. [Obs.]
  4. A heated room for drying green ware. (Pottery)