(ת') שמימי

(ש"ע) רקיע, שמים

adj. celestial, heavenly, of the sky

n. heavens, sky

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Noun
1. the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
(synonym) celestial sphere, sphere, firmament, heavens, vault of heaven, welkin
(hypernym) surface
(part-meronym) apex, solar apex, apex of the sun's way

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Adjective
1. of or relating to the sky or heavens; "the empyrean sphere"
(synonym) empyreal
(pertainym) celestial sphere, sphere, firmament, heavens, vault of heaven, welkin
2. inspiring awe; "well-meaning ineptitude that rises to empyreal absurdity"- M.S.Dworkin; "empyrean aplomb"- Hamilton Basso; "the sublime beauty of the night"
(synonym) empyreal, sublime
(similar) glorious

(n.)
The highest heaven, where the pure element of fire was supposed by the ancients to subsist.
  

(a.)
Empyreal.
  

Empyrean [from Greek empyres fiery] In certain ancient and medieval cosmologies the earth was surrounded by concentric crystalline spheres, the nearest being that of the Moon, followed by the spheres of Mercury, Venus, Sun, Mars, Jupiter, and Saturn. The outermost sphere was the Empyrean, composed of a subtle cosmic fire -- the word is sometimes used for heaven or firmament. These crystalline spheres of the ancients, so grotesquely misunderstood today because taken literally, were given sometimes as seven, ten, or twelve, depending on the point of view. See also CRYSTALLINE SPHERES