Pax Americana

Latin noun phrase
Pax Ame·​ri·​ca·​na | \ ˌpäks-ä-ˌme-ri-ˈkä-nä How to pronounce Pax Americana (audio) \

Definition of Pax Americana

: American peace used for the period of relative tranquility from circa 1945 to the present day in regions to which U.S. power has extended