a group of people chosen to do a particular job, make decisions etc.——朗文当代大辞典

body of two or more persons appointed, elected, or established to perform a particular function; esp. a group of people selected by a larger body (as a society, corporation, public meeting, etc.), and typically consisting of members of that body, established for the purpose of carrying out a specific task, duty, or office on a permanent or temporary basis.——牛津当代大辞典  @en