congress

US /ˈkɑːŋ.ɡres/
UK /ˈkɑːŋ.ɡres/
"congress" picture
1.

a formal meeting or series of meetings for discussion between delegates, especially those from a political party or trade union or from a particular profession, held over a few days

:
The medical congress will be held in Paris next month.
The party congress voted on new policy proposals.
2.

(in the US) the national legislative body, consisting of the Senate and the House of Representatives

:
The bill was passed by Congress.
Members of Congress debated the new budget.