Master of ceremonies and Police officer

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

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

Police officer noun - A member of a force charged with law enforcement at the local level.

Master of ceremonies and police officer are semantically related in marshal topic. Sometimes you can use "Master of ceremonies" instead a noun phrase "Police officer".