mare liberum

noun (1)
ma·​re li·​be·​rum | \ ˈmär-(ˌ)ā-ˈlē-bə-ˌru̇m How to pronounce mare liberum (audio) \

Definition of mare liberum

 (Entry 1 of 3)

1 : a navigable body of water (such as a sea) that is open to all nations

liberum maritagium

noun (2)
li·​be·​rum ma·​ri·​ta·​gi·​um | \ ¦lēbəˌru̇mˌmärəˈtägēˌu̇m\

Definition of liberum maritagium (Entry 2 of 3)

liberum veto

noun (3)
li·​be·​rum veto | \ ˈlibərəm-\

Definition of liberum veto (Entry 3 of 3)

: a veto exercised by a single member (as of a legislative body) under rules requiring unanimous consent the anarchic potentialities of the liberum veto— C. J. Friedrich

First Known Use of mare liberum

Noun (1)

1652, in the meaning defined at sense 1

History and Etymology for mare liberum

Noun (1)

New Latin, literally, free sea

Noun (2)

Medieval Latin

Noun (3)

Latin liberum (neuter of liber free) + English veto

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The first known use of mare liberum was in 1652

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appealing forcibly to the mind or reason

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