οὐρανόςouranós

1. of the vault or firmament of heaven, the sky and the aerial regions above the earth: opposed to ἡ γῆ, Hebrews 1:10, 2 Peter 3:5, 2 Peter 3:10; ὁ οὐ. καὶ ἡ γῆ, i.e. the world, the universe, Matthew 5:18, Mark 13:31, Luke 10:21, Acts 4:24, Revelation 10:6, and elsewhere; ἀπ’ ἄκρων οὐ. ἕως ἄ. αὐτῶν (on the absence of article aft. preposition, see Bl., § 46, 5), Matthew 24:31; ὑπὸ τὸν οὐ., Acts 2:5, Colossians 1:23; ὑψωθῆναι ἕως τοῦ οὐ., figuratively, Matthew 11:23, Luke 10:15; σημεῖον ἐκ τοῦ οὐ., Matthew 16:1, Mark 8:11, and elsewhere; αἱ νεφέλαι, Matthew 24:30, and elsewhere; τὰ πετεινὰ τοῦ οὐ., Matthew 6:26, Mark 4:32, and elsewhere; οἱ ἀστέρες τοῦ οὐ., Revelation 6:13, and elsewhere; plural (οἱ) οὐ. (Bl., § 32, 5), Matthew 3:16, Mark 1:10, John 1:32, 2 Peter 3:7, 2 Peter 3:13 and elsewhere

2. Of the abode of God and other blessed beings: of angels, Matthew 24:36, Mark 12:25, Galatians 1:8, Revelation 10:1, and elsewhere; of Christ glorified, Mark 16:19, Luke 24:51, Acts 3:21, Romans 10:6, and elsewhere; of God, Matthew 5:34, Romans 1:18, and elsewhere; ὁ Πατὴρ ὁ ἐν τοῖς οὐ., Matthew 5:16, Matthew 6:1, and elsewhere; θησαυρὸς ἐν οὐ., Matthew 6:20, Mark 10:21, and elsewhere

3. By by metonymy

(a) of the inhabitants of heaven: Revelation 18:20 (cf. Revelation 12:12, Job 15:15, Isaiah 44:23)

(b) as an evasive reference to God, characteristic of later Judaism: Matthew 21:25, Mark 11:30, Luke 15:18, John 3:27, and elsewhere; ἡ βασιλεία τῶν οὐ. (= τοῦ Θεοῦ; see βασιλεία).