The House of Commons is the name of the elected lower house

Lower house

A lower house is one of two chambers of a bicameral legislature, the other chamber being the upper house.Despite its official position "below" the upper house, in many legislatures worldwide the lower house has come to wield more power...

 of the bicameral parliament

Parliament

A parliament is a legislature, especially in those countries whose system of government is based on the Westminster system modeled after that of the United Kingdom. The name is derived from the French , the action of parler : a parlement is a discussion. The term came to mean a meeting at which...

s of the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 and Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 and historically was the name of the lower houses of Ireland

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 and North Carolina

North Carolina

North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...

. Roughly equivalent bodies in other countries which were once British colonies include the United States House of Representatives

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

, the Australian House of Representatives

Australian House of Representatives

The House of Representatives is one of the two houses of the Parliament of Australia; it is the lower house; the upper house is the Senate. Members of Parliament serve for terms of approximately three years....

, and the New Zealand House of Representatives

New Zealand House of Representatives

The New Zealand House of Representatives is the sole chamber of the legislature of New Zealand. The House and the Queen of New Zealand form the New Zealand Parliament....

.

In the UK and Canada, the Commons holds much more legislative power than the upper house

Upper house

An upper house, often called a senate, is one of two chambers of a bicameral legislature, the other chamber being the lower house; a legislature composed of only one house is described as unicameral.- Possible specific characteristics :...

 of parliament (the House of Lords

House of Lords

The House of Lords is the upper house of the Parliament of the United Kingdom. Like the House of Commons, it meets in the Palace of Westminster....

 and the Senate, respectively).