noun, plural -pies, verb, -pied, -py⋅ing.| 1. | a covering, usually of fabric, supported on poles or suspended above a bed, throne, exalted personage, or sacred object. |
| 2. | an overhanging projection or covering, as a long canvas awning stretching from the doorway of a building to a curb. |
| 3. | an ornamental, rooflike projection or covering. |
| 4. | Also called crown canopy, crown cover. the cover formed by the leafy upper branches of the trees in a forest. |
| 5. | the sky. |
| 6. | the part of a parachute that opens up and fills with air, usually made of nylon or silk. |
| 7. | the transparent cover over the cockpit of an airplane. |
| 8. | to cover with or as with a canopy: Branches canopied the road. |
nōp(s) gnat + -eion, neut. of -eios adj. suffix