from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A navigable body of water, such as a sea, that is under the jurisdiction of one nation and closed to all others.
from the GNU version of the Collaborative International Dictionary of English
- Lit., closed sea; hence, a body of water within the separate jurisdiction of the nation; -- opposed to
open sea( mare liberum), the water open to all nations and over which no single nation has special control.
from The Century Dictionary and Cyclopedia
- n. A closed sea; a sea closed to navigation; a sea or a part of the high seas within the jurisdiction of a particular nation, as distinguished from the open sea, where all nations have equal right.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (closed sea) a navigable body of water under the jurisdiction of a single nation
New Latin : Latin mare, sea + Latin clausum, closed.(American Heritage® Dictionary of the English Language, Fourth Edition)