1) the vaulted expanse of the sky with all things visible in it
1a) the universe, the world
1b) the aerial heavens or sky, the region where the clouds and the tempests gather, and where thunder and lightning are produced
1c) the sidereal or starry heavens
2) the region above the sidereal heavens, the seat of order of things eternal and consummately perfect where God dwells and other heavenly beings
Part of Speech: noun masculine
Citing in TDNT: 5:497, 736
Perhaps from the same as G3735 (through the idea of elevation); the sky; by extension heaven (as the abode of God); by implication happiness, power, eternity; specifically the Gospel (Christianity): - air, heaven ([-ly]), sky.
|(ὁ οὐρανὸς καὶ ἡ γῆ) universe||1.3|
|(τρίτος οὐρανός) heaven||1.11|
|(ὑπὸ τὸν οὐρανόν) on earth||1.43|
|(πετεινὰ τοῦ οὐρανοῦ) wild birds||4.41|
|(στρατιὰ τοῦ οὐρανοῦ) supernatural powers||12.45|
|(κολλάομαι ἄχρι τοῦ οὐρανοῦ) increase greatly||59.66|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root οὐρανός; click on the second column to search for that grammatical form of the root οὐρανός; click on the third column to search for that word and grammatical form; click on the total to search for the root οὐρανός.