1. (n.) A cloud.

2. (n.) Hence, a shadow.

3. (n.) The apparent arch, or vault, of heaven, which in a clear day is of a blue color; the heavens; the firmament; -- sometimes in the plural.

4. (n.) The weather; the climate.

5. (v. t.) To hang (a picture on exhibition) near the top of a wall, where it can not be well seen.

6. (v. t.) To throw towards the sky; as, to sky a ball at cricket.

Caelus Olympian heights acme aerial heights air apex apogee azure blue sky brow caelum canopy canopy of heaven cap cerulean climax cloud nine cope crest crown culmen culmination dizzy heights edge elevation eminence empyrean ether extreme limit extremity firmament heaven heavens height heights high noon highest pitch highest point hyaline lift lifts limit maximum meridian mountaintop ne plus ultra no place higher noon peak pinnacle pitch point pole raise ridge rise rising ground seventh heaven spire starry heaven steep stratosphere summit the blue the blue serene tip tip-top top upmost upper extremity uppermost uprise utmost vantage ground vantage point vault vault of heaven vertex very top welkin zenith