Definition of canopy noun from the Oxford Advanced Learner's Dictionary
canopy
noun
ˈkænəpi ˈkænəpi
pluralcanopies
1a cover that is fixed or hangs above a bed, seat, etc. as a shelter or decoration2a layer of something that spreads over an area like a roof, especially branches of trees in a foresta canopy of leavesa glorious canopy of starsWe could see the sky through gaps in the forest canopy.3(especially North American English) a roof that is supported on posts and is sometimes also attached at one side to a buildinga new steel entrance canopy for the buildinga fabric canopy to provide shade in the backyard4a cover for the cockpit of an aircraft