proper noun/ɡʁɑ̃d.bʁə.taɲ/
Great Britain (a large island (sometimes also including some of the surrounding smaller islands) off the north-west coast of Western Europe, made up of England, Scotland, and Wales); Great Britain (the United Kingdom, a kingdom and country in Northern Europe including the island of Great Britain as well as Northern Ireland on the northeastern portion of the island of Ireland)
Inherited from Old French Grant Bretaigne, itself a calque of Latin Britannia Maior.