orangery
/ɒrˈændʒəri/Definitions
1. noun
a building or room with a glass roof, designed for growing citrus fruits or other plants, especially in a warm climate
“The estate had an impressive orangery with a variety of exotic plants.”
2. noun
a former name for a conservatory, especially one used for growing oranges
“In the 18th century, the house had a large orangery where the family grew their own citrus fruits.”
3. noun
a type of greenhouse, typically with a glass roof and walls
“The botanical garden had several orangeries where they displayed their rare plant species.”