Definify.com
Webster 1913 Edition
Moderator
Mod′er-aˊtor
,Noun.
[L.: cf. F.
modérateur
.] 1.
One who, or that which, moderates, restrains, or pacifies.
Sir W. Raleigh.
Angling was . . . a
moderator
of passions. Walton.
2.
The officer who presides over an assembly or discussion to preserve order, propose questions, regulate the proceedings, and declare the votes.
3.
In the University of Oxford, an examiner for moderations; at Cambridge, the superintendant of examinations for degrees; at Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.
4.
A mechanical arrangement for regulating motion in a machine, or producing equality of effect.
Webster 1828 Edition
Moderator
MODERA'TOR
,Noun.
1.
The person who presides over a meeting or assembly of people to preserve order, propose questions, regulate the proceedings and declare the vote; as the moderator of a town meeting or of a society.