green roof
noun /ˈɡriːn ruːf/
/ˈɡriːn ruːf/
(also living roof
/ˌlɪvɪŋ ˈruːf/
/ˌlɪvɪŋ ˈruːf/
)- a type of roof that has plants growing on it that help to keep the building cool in summer and warm in winter
- The firm designs and installs green roof systems.
- Green roofs reduce the amount of storm water running off into drains.