D defs.my
Entry 1 sense Webster, 1913

Mare clausum

· Ma·re clau·sum · IPA
01 Lit., closed sea; hence, a body of water within the separate jurisdiction of the nation; -- opposed to open sea (mare liberum), the water o…
  1. 1.
    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.(Internat. Law)