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mare clausum

[mair-ee klaw-suh m, mahr-ey; Latin mah-re klou-soo m] /ˈmɛər i ˈklɔ səm, ˈmɑr eɪ; Latin ˈmɑ rɛ ˈklaʊ sʊm/
a body of navigable water under the sole jurisdiction of a nation.
Compare mare liberum.
Origin of mare clausum
1645-55; < Latin: closed sea Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for mare clausum

mare clausum

/ˈmɑːreɪ ˈklaʊsʊm/
(law) a sea coming under the jurisdiction of one nation and closed to all others Compare mare liberum
Word Origin
Latin: closed sea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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