1To take charge of running a meeting or ceremony, guiding its overall flow smoothly.
来週の株主総会は部長が司会を務める予定だ。
The department head is scheduled to chair next week's shareholders' meeting.
結婚式の司会を友人に頼んだ。
I asked a friend to emcee my wedding.
慣れない司会で、始めはとても緊張した。
Since I wasn't used to hosting, I was very nervous at first.
2The person in charge of running an event or program; also called a host, presenter, or moderator.
番組の司会はベテランのアナウンサーが担当している。
The show's host is a veteran announcer.
パネルディスカッションの司会が的確に議論をまとめた。
The panel discussion's moderator skillfully summed up the discussion.
司会からゲストへの質問で会場が盛り上がった。
The host's questions to the guest got the venue excited.