n.

1. （正式）會議；代表大會[C][U]
   a medical congress on AIDS

   討論愛滋病的醫學會議

2. 立法機關[C][U]
   the congress of Chile

   智利的最高立法機關

3. （C-）美國國會[E]
   a Member of Congress

   美國國會議員

4. 聚會；交往；人群[U][C]
   a congress of refugees

   一群難民

5. 協會[C]

n.

1. a formal meeting or series of meetings between delegates.
2. (Congress) a national legislative body, especially that of the US.
3. a society or organization.
4. formal the action of coming together.