a formal meeting or series of meetings for discussion between delegates, especially those from a political party, trade union, or from within a particular sphere of activity

an international congress of mathematicians

a national legislative body, especially that of the US. The US Congress, which meets at the Capitol in Washington DC, was established by the Constitution of 1787 and is composed of the Senate and the House of Representatives

legislative power is held by a 72-member National Congress

changes in taxation required the approval of Congress

(often in names) a political society or organization

the action of coming together

sexual congress