[mair-ee lib-er-uh m, mahr-ey; Latin mah-re lee-be-roo m]
- a body of navigable water to which all nations have unrestricted access.
Compare mare clausum.
Origin of mare liberum
1645–55; < Latin: free sea
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- law a sea open to navigation by shipping of all nationsCompare mare clausum
Latin: free sea