mare liberum [mair-ee lib-er-uh m, mahr-ey; Latin mah-re lee-be-roo m] Word Origin noun
- a body of navigable water to which all nations have unrestricted access.
Compare mare clausum. Origin of mare liberum 1645–55; Latin: free sea British Dictionary definitions for mare liberum mare liberum noun
- law a sea open to navigation by shipping of all nationsCompare mare clausum
Word Origin for mare liberum Latin: free sea