Master of ceremonies and Presiding officer

Master of ceremonies noun - A person who acts as host at formal occasions (makes an introductory speech and introduces other speakers).

Presiding officer and master of ceremonies are semantically related. in emcee topic. In some cases you can use "Presiding officer" instead a noun phrase "Master of ceremonies".

Presiding officer noun - The leader of a group meeting.

Master of ceremonies and presiding officer are semantically related. Sometimes you can replace phrase "Master of ceremonies" with "Presiding officer", this phrases are similar.