- One of the larger bodies of salt water, less than an ocean, found on the earth's surface; a body of salt water of second rank, generally forming part of, or connecting with, an ocean or a larger sea; as, the Mediterranean Sea; the Sea of Marmora; the North Sea; the Carribean Sea .
- An inland body of water, esp. if large or if salt or brackish; as, the Caspian Sea; the Sea of Aral; sometimes, a small fresh-water lake; as, the Sea of Galilee.
- The ocean; the whole body of the salt water which covers a large part of the globe."I marvel how the fishes live in the sea." [Shak.]"Ambiguous between sea and land The river horse and scaly crocodile." [Milton.]
- The swell of the ocean or other body of water in a high wind; motion or agitation of the water's surface; also, a single wave; a billow; as, there was a high sea after the storm; the vessel shipped a sea .
- [Jewish Antiq] A great brazen laver in the temple at Jerusalem; -- so called from its size."He made a molten sea of ten cubits from brim to brim, round in compass, and five cubits the height thereof." [2 Chron. iv. 2.]
- Fig.: Anything resembling the sea in vastness; as, a sea of glory."All the space . . . was one sea of heads." [Macaulay.]
Note: ☞ Sea is often used in the composition of words of obvious signification; as, sea-bathed, sea-beaten, sea-bound, sea-bred, sea-circled, sealike, sea-nursed, sea-tossed, sea-walled, sea-worn, and the like. It is also used either adjectively or in combination with substantives; as, sea bird, sea-bird, or seabird, sea acorn, or sea-acorn.
Etymology: OE. see, AS. sǣ; akin to D. zee, OS. & OHG. sēo, G. see, OFries. se, Dan. sö, Sw. sjö, Icel. sær, Goth. saiws, and perhaps to L. saevus fierce, savage. √151a