Synonyms of 'conservatory'
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A glasshouse is a greenhouse, especially a large one which is used for the commercial production of fruit, flowers, or vegetables.
This kind of plant needs to be grown in a glasshouse.
A greenhouse is a glass building in which you grow plants that need to be protected from bad weather.
Take some cuttings and over-winter them in the greenhouse.
Thesaurus for conservatory from the Collins English Thesaurus
A conservatory is a room with glass walls and a glass roof , which is attached to a house. People often grow plants in a conservatory.