sky

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The expanse of air over any given point on the earth; the upper atmosphere as seen from the earth's surface.
2. n. The appearance of the upper atmosphere, especially with reference to weather. Often used in the plural: Threatening skies portend a storm.
3. n. The celestial regions; the heavens: stars in the southern sky.
4. n. The highest level or degree: reaching for the sky.
5. v. To hit or throw (a ball, for example) high in the air.
6. v. To hang (a painting, for example) high up on the wall, above the line of vision.

Century Dictionary and Cyclopedia

1. n. A cloud.
2. n. The region of clouds, wind, and rain; that part of the earth's atmosphere in which meteorological phenomena take place: often used in the plural.
3. n. The apparent arch or vault of heaven, which in a clear day is of a blue color; the firm ament: often used in the plural.
4. n. The supernal heavens; celestial regions; heaven: often in the plural with the same sense.
5. n. The upper rows of pictures in a picture-gallery; also, the space near the ceiling.
6. To raise aloft or toward the sky; specifically, to hang near the ceiling in an exhibition of paintings.
7. A variant of shy.
8. n. An abbreviation of sky-blue.
9. In golf, to so strike (a ball) as to cause (it) to go unusually high in the air.

Wiktionary

1. n. A cloud.
2. n. The atmosphere above a given point, especially as visible from the ground during the day.
3. n. The part of the sky which can be seen from a specific place or at a specific time; its condition, climate etc.
4. n. Heaven.
5. n. Also used to represent pornographic material.
6. v. to hit, kick or throw (a ball) extremely high.

GNU Webster's 1913

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 wheather; the climate.
5. v. To hang (a picture on exhibition) near the top of a wall, where it can not be well seen.
6. v. To throw towards the sky.

WordNet 3.0

1. n. the atmosphere and outer space as viewed from the earth
2. v. throw or toss with a light motion