CONSERVATORY, adjective Having the quality of preserving from loss, decay or injury.
1. A place for preserving any thing in a state desired, as from loss, decay, waste or injury. Thus a fish-pond for keeping fish, a granary for corn, an ice-house for ice and other things, a receptacle for water, etc., are called conservatories.
2. A large green-house for exotics, in which the plants are planted in beds and borders, and not in tubs or pots, as in the common green-house.