Definition from Wiktionary, the free dictionary
- Material used on the outside of a roof, such as shingles.
2013 May 10, Audrey Garric, “Urban canopies let nature bloom”, in The Guardian Weekly, volume 188, number 22, page 30:
- As towns continue to grow, replanting vegetation has become a form of urban utopia and green roofs are spreading fast. Last year 1m square metres of plant-covered roofing was built in France, as much as in the US, and 10 times more than in Germany, the pioneer in this field.