livingroof
nounUK /ˈlɪvɪŋ ruːf/
US /ˈlɪvɪŋ rʊf/
A living roof is a roof with plants growing on it.
The school has a living roof covered with grass and flowers.
OTHER MEANINGS
2. A roof covered with grass, moss, or other low plants to save energy and help the environment.
The new library was built with a living roof to keep it cool in summer.
3. A rooftop garden used for growing vegetables or flowers.
They grow tomatoes and herbs on their living roof.
4. A roof designed to hold rainwater and support wildlife like bees and birds.
The living roof on the apartment building gives bees a place to live.