mare clausum

noun
ma·​re clau·​sum | \ ˈmär-(ˌ)ā-ˈklau̇-səm How to pronounce mare clausum (audio) , -ˈklȯ- How to pronounce mare clausum (audio) \

Definition of mare clausum

: a navigable body of water (such as a sea) that is under the jurisdiction of one nation and is closed to other nations

First Known Use of mare clausum

1652, in the meaning defined above

History and Etymology for mare clausum

New Latin, literally, closed sea

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The first known use of mare clausum was in 1652

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Cite this Entry

“Mare clausum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mare%20clausum. Accessed 25 Nov. 2020.

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