司し会かい

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か

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Common wordJLPTN3Freq.FrequencyTop 10,000

司会する · noun or participle which takes 'suru'

Meanings

leading a meeting; presiding; officiating

The act of chairing a meeting, emceeing an event, or facilitating a discussion. Used as a noun or with する.

The person who leads a meeting, event, or broadcast. Often used as an abbreviation of 司会者.

〈人ひと〉が司し会かいを務つとめるfor someone to serve as the MC/chairperson
彼かの女じょが結けっ婚こん式しきの司し会かいを務つとめた。
She served as the MC at the wedding.
司し会かいを頼たのむto ask someone to be the host/MC
パーティーの司し会かいを友ゆう人じんに頼たのんだ。
I asked a friend to be the MC of the party.
〈事こと〉の司し会かいthe host/moderator of a particular event or show
この番ばん組ぐみの司し会かいは有ゆう名めいなアナウンサーだ。
The host of this show is a famous announcer.
司し会かいに指し名めいされるto be appointed/named as the moderator
彼かれはディベートの司し会かいに指し名めいされた。
He was appointed as the moderator of the debate.

進しん行こう役やく sense 1
進行役 emphasizes the practical job of keeping an event or meeting moving along, while 司会 covers the broader role of hosting, announcing, and officiating.
議ぎ長ちょうN3sense 2
議長 is the formal title for the chairperson of a legislative or official assembly, whereas 司会 is used more generally for meetings, ceremonies, and TV shows.

司つかさどるN1
司会する means to act as master of ceremonies at an event, a narrower everyday meaning distinct from 司る's broad sense of governing or administering.
司し会かい者しゃN3
司会 properly names the act of emceeing/chairing (and is often used loosely to mean the person doing it), while 司会者 unambiguously names the person in that role.
司し祭さい
司会 (emcee, moderator) shares the kanji 司 with 司祭 but has nothing to do with religion, referring instead to running an event or meeting.

From 司 (administer, manage) and 会 (meeting, gathering). The combination naturally yields 'managing a meeting'.