From Longman Dictionary of Contemporary Englishmoderatormod‧e‧ra‧tor /ˈmɒdəreɪtə $ ˈmɑːdəreɪtər/ noun [countable] 1 IN CHARGE OFsomeone whose job is to control a discussion or an argument between people2 British EnglishSE someone who makes sure that an examination is fair, and that the marks given are fair and correct3 RRCa religious leader who is in charge of the council of the Presbyterian and United Reformed Churches
Examples from the Corpus
moderator• Dole passed up two thinly veiled invitations by moderator Jim Lehrer to address so-called character issues.• Instead, the questions are relayed by a chat moderator, and a typist enters the replies.• He is a former moderator of the General Assembly.• One moderator will be the team leader and will co-ordinate the work of the team.• It all depends on the moderator, who is rarely paid for the service.• The moderator for this meeting, Eric Hughes, tries to quiet the cacophony of loud, opinionated voices.• This visit will take place subsequent to moderators receiving and moderating the examination scripts. 