Definition of Magna Carta in US English:

Magna Carta

proper noun

  • 1A charter of liberty and political rights obtained from King John of England by his rebellious barons at Runnymede in 1215, which came to be seen as the seminal document of English constitutional practice.

    1. 1.1as noun a Magna Carta A document establishing important rights or principles in a specified area.
      ‘a Magna Carta for environmental protection’
      • ‘Magna Carta has influenced international law as well: Eleanor Roosevelt referred to the Universal Declaration of Human Rights as "a Magna Carta for all mankind".’
      • ‘To be sure, this Magna Carta of hack hirers has long been enshrined in the rules and regulations of the city's Taxi and Limousine Commission, but Christopher Lynn, the chairman, said, "Many, many New Yorkers simply didn't realize their rights."’


From medieval Latin, ‘great charter’.


Magna Carta

/ˌmæɡnə ˈkɑrdə//ˌmaɡnə ˈkärdə/