1 (especially US 尤为美) a meeting of the members or leaders of a political party to choose representatives(candidates)or to decide policy; the members or leaders of a political party as a group （政党挑选候选人或决定政策的）党员或领导人会议；决策委员会；政党党员或领导人（总称）

2 a group of people with similar interests, often within a larger organization or political party 一群有类似利益的人（通常在某个组织或政党内部）