alderman
noun [ C ] uk/ˈɔːl.də.mən/ us/ˈɑːl.dɚ.mən/ -men uk/ˈɔːl.də.men/ us/ˈɑːl.dɚ.men/
（英国旧时的）高级市政官
in the UK , in the past, a member of a local government chosen by the other members
（美国、澳大利亚和加拿大的）市政委员会委员
in the US, Australia, and Canada, an elected member of a city government