officiate
/əˈfɪʃɪeɪt/verb
no obj.
1- act as an official in charge of something, especially a sporting event负责; 担任比赛的裁判：
three judges will officiate at the two Grands Prix.
三位裁判员将担任两项大奖赛的裁判。
1.1
- perform a religious service or ceremony主持宗教仪式或典礼：
he baptized children and officiated at weddings.
他给孩子们施洗礼, 也主持婚礼。
派生词
officiation
nounofficiator
noun词源
mid 17th cent.: from medieval Latin officiare 'perform divine service', from officium （see OFFICE）.