sky

(skī)

1. The expanse of air over any given point on the earth; the upper atmosphere as seen from the earth's surface.
2. The appearance of the upper atmosphere, especially with reference to weather. Often used in the plural: Threatening skies portend a storm.
3. The celestial regions; the heavens: stars in the southern sky.
4. The highest level or degree: reaching for the sky.

1. To hit or throw (a ball, for example) high in the air.
2. To hang (a painting, for example) high up on the wall, above the line of vision.