an official of the Communist Party, especially in the former Soviet Union or present-day China, responsible for political education and organization (共产党)政治委员,政委 ■a head of a government department in the former Soviet Union before 1946 人民委员(前苏联1946年前的政府部门首长) ■(figurative)a strict or prescriptive figure of authority (喻)代表;权威 our academic commissars. 我们的学术权威。
语源
early 20th cent. (Russian Revolution): from Russian komissar, from French commissaire, from medieval Latin commissarius (see commissary)