1.〈美〉(政党等的)干部会议;秘密会议;核心小组;〈英〉(政党等)竞选指导委员会
1.召开[参加]干部(秘密)会议;召开[参加]核心会议
1.a group of politicians within a political party who have special interests or responsibilities; a meeting of a caucus
2.a meeting in some U.S. states of members of a political party to choose who will represent the party in the election for President
1.to meet in a group to discuss plans