A primary verb; to slant or slope, i.e. Incline or recline (literally or figuratively) -- bow (down), be far spent, lay, turn to flight, wear away.
1. transitive,
a. to incline, bow: τήν κεφαλήν, of one dying, John 19:30; τό πρόσωπον εἰς τήν γῆν, of the terrified, Luke 24:5.
b. equivalent to to cause to fall back: παρεμβολάς, Latininclinare acies, i. e. to turn to flight, Hebrews 11:34 (μάχην, Homer, Iliad 14, 510; Τρῳάς, 5, 37; Ἀχαιους, Odyssey 9, 59).
c. to recline: τήν κεφαλήν, in a place for repose (A. V. lay one's head), Matthew 8:20; Luke 9:58.
2. intransitive, to incline oneself (cf. Buttmann, 145 (127); Winers Grammar, § 38, 1): of the declining day (A. V. wear away, be far spent), Luke 9:12; Luke 24:29; Jeremiah 6:4; ἅμα τῷ κλῖναι τό τρίτον μέρος τῆς νικτος, Polybius 3, 93, 7; ἐγκλινατος τοῦ ἡλίου ἐς ἑσπέραν, Arrian anab. 3, 4, 2. (Compare: ἀνακλίνω, ἐκκλίνω, κατακλίνω, προσκλίνω.)