Conservatory /(?)/

Con·serv·a·to·ry

Conservatory

a.
  1. Having the quality of preserving from loss, decay, or injury.

Conservatory

n.
  1. That which preserves from injury. [Obs.]
  2. A place for preserving anything from loss, decay, waste, or injury; particulary, a greenhouse for preserving exotic or tender plants.
  3. A public place of instruction, designed to preserve and perfect the knowledge of some branch of science or art, esp. music.