Real Dictionary

parliament
The parliament of some countries, for example Britain, is the group of people who make or change its laws, and decide what policies the country should follow.

parliament in American English
an official or formal conference or council, usually concerned with government or public affairs
noun: the legislature of Great Britain, historically the assembly of the three estates, now composed of Lords Spiritual and Lords Temporal, forming together the House of Lords, and representatives of the counties, cities, and boroughs, forming the House of Comm

parliament in British English
noun: an assembly of the representatives of a political nation or people, often the supreme legislative authority
noun: the highest legislative authority in Britain, consisting of the House of Commons, which exercises effective power, the House of Lords, and the sovereign