conservatory

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A greenhouse, especially one in which plants are arranged aesthetically for display, as at a botanical garden.
2. n. A school of music or dramatic art.

Century Dictionary and Cyclopedia

1. Having the quality of preserving from loss, decay, or injury.
2. n. pl. conservatories (-riz).
3. n. A preservative.
4. n. A place for preserving or carefully keeping anything, as from loss, decay, waste, or injury; specifically, and commonly, a greenhouse for preserving exotics and other tender plants
5. n. A place of public instruction and training, designed to promote the study of some branch of Science or art. Conservatories of music and declamation (to which the French name conservatoire is frequently applied, the most celebrated institution of the kind being in Paris) have been maintained at the public expense in Italy, France, Germany, and other European countries for two or three centuries; and the name is given to many private establishments in Great Britain and America.

Wiktionary

1. adj. rare pertaining to conservation
2. n. obsolete That which preserves from injury.
3. n. A greenhouse or hothouse for the display of plants
4. n. A school of music or drama; a conservatoire

GNU Webster's 1913

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

WordNet 3.0

1. n. a greenhouse in which plants are arranged in a pleasing manner
2. n. the faculty and students of a school specializing in one of the fine arts
3. n. a schoolhouse with special facilities for fine arts