Definition of greenhouse in English:
 greenhouse
noun ˈɡriːnhaʊsˈɡrinˌhaʊs
A glass building in which plants that need protection from cold weather are grown.
 Example sentencesExamples
-  The greenhouse was constantly ventilated during daytime to maintain the inside temperature similar to that of the outside.
 -  Plants were grown in a greenhouse under natural light.
 -  Ask your city or county building department if you need a permit to erect a greenhouse.
 -  Mangoes and nectarines were grown in the heated greenhouses.
 -  The disease mainly afflicts plants in commercial greenhouses.
 
 Synonyms
hothouse, glasshouse, conservatory