greenhouse

/ˈɡriːnhaʊs/
noun
  1. A building with glass walls and a glass roof, used for growing plants that need warmth and protection.
    • She waters the flowers in her greenhouse every morning.
    • We grow tomatoes in the greenhouse all winter long.
    • The school built a small greenhouse for the science class.
What does "greenhouse" mean? | whatsthatwordmean | whatsthatwordmean