noun Etymology: New Latin, literally, our sea Date: 1921 a navigable body of water (as a sea) that belongs to a single nation or is mutually shared by two or more nations
MARE NOSTRUM
Meaning of MARE NOSTRUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012