noun
freedom of the seas
A principle in international law that the oceans are open to all nations for navigation and trade, not subject to national sovereignty beyond territorial waters.
海洋自由の原則は国際法の基本である。
The principle of freedom of the seas is fundamental to international law.
Compound of 海洋 (ocean) and 自由 (freedom), directly translating the Western legal concept of 'freedom of the seas'.