The sea, yam, is used in Scripture to denote—
“The gathering of the waters,” “the Ocean.” (Genesis 1:2,10; 30:13) etc.
Some portion of this, as the Mediterranean Sea, called the “hinder,” the “western” and the “utmost” sea, (11:24; 34:2; Joel 2:20) “sea of the Philistines,” (Exodus 23:31) “the great sea,” (Numbers 36:6,7; Joshua 15:47) “the sea.” Genesis49:13; Psal 80:11 Also frequently of the Red Sea. (Exodus 15:4) [Red Sea SEA]
Inland lakes termed seas, as the Salt or Dead Sea. [See the special article]
Any great collection of waters, as the river Nile (Isaiah 19:5) and the Euphrates. (Jeremiah 51:36)
In the place of the laver of the tabernacle Solomon caused a laver to be cast for a similar purpose, which from its size was called a sea. It was made partly or wholly of the brass, or rather copper, which was captured by David from “Tibhath and Chun, cities of Hadarezer king of Zobah.” (1 Kings 7:23-26; 1 Chronicles 18:8) It is said to have been 15 feet in diameter and 7 1/2 feet deep, and to have been capable of containing 2000, or according to (2 Chronicles 4:5) 3000 Baths (16,000 to 24,000 gallons). The lever stood on twelve oxen three toward each quarter of the heavens, and all looking outward. It was mutilated by Ahaz by being removed from its basis of oxen and placed on a stone base, and was finally broken up by the Assyrians. (2 Kings 16:14,17; 25:13)