caucus

n. (pl. -es) 1 us meeting of party members, esp. In the senate etc., to decide policy. 2 often derog. A meeting of a group within a larger organization or party. B such a group. [perhaps from algonquian]

n. A meeting, especially a preliminary meeting, of persons belonging to a party, to nominate candidates for public office, or to select delegates to a nominating convention, or to confer regarding measures of party policy; a political primary meeting.