[ mair-ee -klaw-suhm, mahr-ey; Latin mah-re -klou-soom ]
/ ˈmɛər i ˈklɔ səm, ˈmɑr eɪ; Latin ˈmɑ rɛ ˈklaʊ sʊm /
a body of navigable water under the sole jurisdiction of a nation.
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Compare mare liberum.
Origin of mare clausum
1645–55; <Latin: closed sea
Words nearby mare clausum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for mare clausum
/ (ˈmɑːreɪ ˈklaʊsʊm) /
law a sea coming under the jurisdiction of one nation and closed to all othersCompare mare liberum
Word Origin for mare clausum
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