(canopies)
1.
A ~ is a decorated cover, often made of cloth, which is placed above something such as a bed or a seat.
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2.
A ~ 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.
The trees formed such a dense ~ that all beneath was a deep carpet of pine-needles.
N-COUNT: usu sing