1. [US] A meeting of (esp. local) members of a political party to select candidates for election
   "The Iowa caucus is an important early event in U.S. presidential primaries"
    
2. A closed political meeting
   "The party held a caucus to decide on their candidate"
    
3. A group of like-minded people with shared concerns
   "The environmental caucus met to discuss new legislation"

1. Meet to select a candidate or promote a policy
   "The party members caucused to choose their presidential nominee"

Derived forms: caucused, caucuses, caucusing

Type of: assemble, foregather [formal], forgather, gather, group meeting, meet, meeting

Encyclopedia: Caucus