Definition of "conservatory" [con•serv•a•to•ry]

• A greenhouse, especially one in which plants are arranged aesthetically for display, as at a botanical garden. (noun)
• A school of music or dramatic art. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "House was its _conservatory_, which was probably the finest in the country, second only in beauty to the famous conservatory of the Duke of"
• "At 4.5 acres (indoors!), the conservatory is the largest extant glasshouse in North America."
• "He builds what he calls a conservatory in the back garden, but in reality it's a jerry-built shed with windows."