Lexical Definition

‎θάλασσα‎ thálassa (thal'-as-sah) sea ^G:N-F
probably prolonged from ‎ἅλς‎

sea.

• the sea (genitive case or specially)

Abbott-Smith

θάλασσα, -ης, ἡ, [in LXX chiefly for יָם;]
the sea: Mt 23:15, Mk 11:23, Lk 21:25, Ro 9:27, He 11:12, Ja 1:6, Ju 13, Re 7:1, al.; τὸ πέλαγος τῆς θ. (v. Tr., ut infr.), Mt 18:6; ὁ οὐρανὸς κ. ἡ γῆ κ. ἡ θ., of the whole world, Ac 4:24, al. (Hg 2:7); θ. ὑαλίνη, Re 4:6 15:2; of the Mediterranean, Ac 10:6, 32 17:14; of the Red Sea, ἐρυθρὰ θ., Ac 7:36, I Co 10:1, 2, He 11:29; of an inland lake (as Heb. יָם), θ. τ. Γαλιλαίας, Mt 4:18 15:29, Mk 1:16 7:31; τ. Τιβεριάδος, Jo 21:1; τ. Γ. τ. T., Jo 6:1; of the same, simply ἡ θ., Mt 4:15, Mk 2:13, al.
SYN.: πέλαγος, the vast expanse of open water"; θ., "the sea as contrasted with the land" (Tr., Syn., xiii).

Abbott-Smith References

Liddell-Scott-Jones

θάλασσα [θᾰ],

Attic dialectθᾰλᾰμ-ττα [Refs] (but θάλασσα 22.236 [Refs 4th c.BC+], ἡ: —sea, [Refs 8th c.BC+]: frequently of the Mediterranean sea, ἥδε ἡ θ. [Refs 5th c.BC+]; ἡ παρ᾽ ἡμῖν θ. [Refs 5th c.BC+]; ἡ ἐντὸς καὶ κ. ἡ. λεγομένη θ. [Refs 1st c.BC+]; ἡ ἔσω θ. [Refs 4th c.BC+]; ἡ ἔξω θ., of the Ocean, [Refs]; ἡ Ἀτλαντικὴ θ. [Refs]; ἡ μεγάλη θ. [Refs 1st c.AD+]; of a salt lake, [θάλασσαν τὴν τοῦ Εὐξείνου πόντου 5th c.BC: Herodotus Historicus 2.33; πέλαγος θαλάσσης 3rd c.BC: Apollonius Rhodius Epicus 2.608 ">Refs 5th c.BC+]; κατὰ θάλασσαν by sea, opposed to πεζῇ, [Refs 5th c.BC+]; opposed to κατὰ γῆς, [Refs 5th c.BC+]; κατά τε γῆν καὶ κατὰ θ. [Refs 5th c.BC+]; τῆς θ. ἀνθεκτέα ἐστί one must engage in maritime affairs, [Refs 5th c.BC+]; οἱ περὶ τὴν θ. sea-faring men, [Refs 4th c.BC+] a sea of troubles, [Refs 4th c.BC+]; ὁ Κρὴς τὴν θ. (i.e. ἀγνοεῖ), of pretended ignorance, [Refs]

__2 sea-water, ἔστω ἐν χαλκῷ ἡ θ. [Refs 5th c.BC+]
__3 well of salt water, said to be produced by a stroke of Poseidon's trident, in the Acropolis at Athens, [Refs 5th c.BC+]
__4 channel, [LXX]
__5 χαλκῆ θ. laver,[LXX]
__6 θ. κοίλη wooden theatre, [Refs 2nd c.AD+] —For the _Laconian dialect_ form σάλασσα, see at {θαλασσομέδων}.

_{LSJ Scripture Refs: LXX.1Kgs.18.32 ☩ LXX.2Kgs.8.8}