referee/ˌrefə'riː/

n. a person who makes sure that the rules are followed in a sports game

n. [C] 裁判：The crowd screamed at the referee who had made a mistake. 人群朝着误判的裁判尖声喊叫。

构词refer + -ee

同缀 committee

音组-ree/-riː/

agree; degree; free; referee; three