- sky [skī]n.pl. skies [ME < ON, a cloud, akin to OE sceo, a cloud, OHG scuwo, shadow < IE base * (s)keu-, a cloud, OHG scuwo, shadow < IE base * (s)keu-, to cover, hide > HIDE1, L cutis, skin, Gr skytos, leather]1. [often pl.] the upper atmosphere, esp. with reference to its appearance [blue skies, a cloudy sky]2. the expanse of the heavens that forms an apparent arch over the earth; firmament3.a) heaven, or the celestial regionsb) climate or weather [the balmy southern sky]vt.skied or skyed, skying1. to hit, throw, shoot, etc. high in the air2. to hang (a picture) so high on a wall that it is not easily viewed——————out of a (or the) clear (blue) skywithout warning; suddenly——————to the skieswithout reserve; extravagantly [praised her to the skies]
English World dictionary. V. Neufeldt. 2014.