01 n. One who, or that which, moderates, restrains, or pacifies.
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1.
One who, or that which, moderates, restrains, or pacifies.“Angling was . . . a moderator of passions.” — Walton.
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2.
The officer who presides over an assembly or discussion to preserve order, propose questions, regulate the proceedings, and declare the votes.
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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.
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4.
A mechanical arrangement for regulating motion in a machine, or producing equality of effect.