Definition from Wiktionary, the free dictionary
greenhouse (plural greenhouses)
- A building used to grow plants, particularly those which employ large glass windows or plastic sheeting to trap heat from sunlight even in intemperate seasons or climates.
- (Britain military slang, dated) The glass of a plane's cockpit.
- (building used to grow plants out of season): glasshouse (UK commercial operations)
building in which plants are grown more quickly than outside
- (transitive) To place (plants) in a greenhouse.
greenhouse f (plural greenhouses)