mŏdŭlātor, ōris, m. [modulor],
one who measures by rule, a director of music, a musician (poet. and post-Aug. prose).— Absol. : optimus est modulator, Hor. S. 1, 3, 130: vocis et cantūs, Col. 1 prooem. § 3.
modulātor ōris, m modulor.—In music, a director, musician : optumus, H. ...
An Elementary Latin Dictionary
·noun One who, or that which, modulates. ...
Webster's Dictionary of the English Language