Simple Definition of sky
: the space over the Earth where the sun, moon, stars, and clouds appear
Examples of sky
There wasn't a cloud in the sky.
Dark clouds moved quickly across the sky.
Hailstones suddenly fell out of the sky.
The sun was high in the sky.
The forecast is for sunny skies tomorrow.
a patch of blue sky
Origin of sky
Middle English, cloud, sky, from Old Norse skȳ cloud; akin to Old English scēo cloud
First Known Use: 13th century
Definition of sky
skied or skyedsky·ing
1 chiefly British : to throw or toss up : flip
2 : to hang (as a painting) above the line of vision
3 : to hit (a ball) high into the air
: to jump high <sky for a rebound>
First Known Use of sky
Seen and Heard
What made you want to look up sky? Please tell us where you read or heard it (including the quote, if possible).