union/ˋjunjən; ˈjuːnjən/n 1 [C] also 又作 trade union BrE 【英】; labor union AmE 【美】 [C] an organization that is formed by workers in order to protect their rights 工会: the car workers’ union 汽车工人工会+of the National Union of Teachers 全国教师工会Are you planning to join the union ? 你打算加入工会吗?see box at见 ORGANIZATION 方框2 [singular 单数, U] formal when two countries or organizations join together【正式】〔国家﹑团体的〕联合﹐合并: +of the union of East and West Germany 东德和西德的合并3 [singular 单数] a group of countries or states with the same central government 联盟﹐同盟﹔联邦: the European Union 欧洲联盟