mare liberum (ˈmɑːreɪ ˈliːbərʊm) ![]() | |
| —n | |
| law Compare mare clausum a sea open to navigation by shipping of all nations | |
| [Latin: free sea] | |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |