A national museum of antiquities in London. Established with public funds in 1753, it includes among its holdings the Magna Carta, the Elgin Marbles, and the Rosetta Stone.
Definition of British Museum in US English:
British Museum
proper noun
A national museum of antiquities in Bloomsbury, London. Established with public funds in 1753, it includes among its holdings the Magna Carta, the Elgin Marbles, and the Rosetta Stone.