A canopy is a decorated cover, often made of cloth, which is placed above something such as a bed or a seat.
2.?[C 可数名词] 遮盖 , （树）冠
A canopy is a layer of something that spreads out and covers an area, for example the branches and leaves that spread out at the top of trees in a forest.
双语例句
例：
The trees formed such a dense canopy that all beneath was a deep carpet of pine needles.