1. U.S. legislature: the national legislative body of the United States, consisting of the House of Representatives and the Senate
2. session of Congress: a two-year term of Congress, or the members of Congress during such a term the 22nd Congress
3. governing and law-making body: the governing body in some countries the National People's Congress
4. name of political party: the shortened name of a number of political parties whose name includes the word "Congress," e.g. the African National Congress
