A caucus is a meeting of supporters or members of a political party or movement. The exact definition varies among political cultures. In the United States In United States politics and government, caucus has several distinct but related meanings. One meaning is a meeting of members of a political party or subgroup to coordinate members' actions, choose group policy, or nominate candidates for various offices. The term is frequently used to discuss the procedures used by some states to select… (More on Caucus)