Sea - Vine's Expository Dictionary of New Testament Words
Sea
[ A-1,Noun,G2281, thalassa ]is used
(a) chiefly literally, e.g., the Red Sea," Acts 7:36; 1 Corinthians 10:1; Hebrews 11:29; the "sea" of Galilee or Tiberias, Matthew 4:18; Matthew 15:29; Mark 6:48-Mark 6:49, where the acts of Christ testified to His Deity; John 6:1; John 21:1; in general, e.g., Luke 17:2; Acts 4:24; Romans 9:27; Revelation 16:3; Revelation 18:17; Revelation 20:8, Revelation 20:13; Revelation 21:1; in combination with No. 2, Matthew 18:6;
(b) metaphorically, of "the ungodly men" described in Jude 1:13 (cp. Isaiah 57:20);
(c) symbolically, in the apocalyptic vision of "a glassy sea like unto crystal," Revelation 4:6, emblematic of the fixed purity and holiness of all that appertains to the authority and judicial dealings of God; in Revelation 15:2, the same, "mingled with fire," and, standing by it (RV) or on it (AV and RV marg.), those who had "come victorious from the beast" (ch. 13); of the wild and restless condition of nations, Revelation 13:1 (See Revelation 17:1, Revelation 17:15), where "he stood" (RV) refers to the dragon, not John (AV); from the midst of this state arises the beast, symbolic of the final gentile power dominating the federated nations of the Roman world (See Dan., chs. 2; 7; etc.).
Note: For the change from "the sea" in Deuteronomy 30:13, to "the abyss" in Romans 10:7, See BOTTOM, B.
[ A-2,Noun,G3989, pelagos ]
"the deep sea, the deep," is translated "the depth" in Matthew 18:6, and is used of the "Sea of Cilicia" in Acts 27:5. See DEPTH, No. 2. Pelagos signifies "the vast expanse of open water," thalassa, "the sea as contrasted with the land" (Trench, Syn., xiii).
[ B-1,Adjective,G1724, enalios ]
"in the sea," lit., "of, or belonging to, the salt water" (from hals, "salt"), occurs in James 3:7.
[ B-2,Adjective,G3882, paralios ]
"by the sea," Luke 6:17, See COAST.
[ B-3,Adjective,G3864, parathalassios ]
"by the sea," Matthew 4:13, See COAST, Note 2.
[ B-4,Adjective,G1337, dithalassos ]
primarily signifies "divided into two seas" (dis, "twice," and thalassa); then, "dividing the sea," as of a reef or rocky projection running out into the "sea," Acts 27:41.