Bible Dictionaries
Modulate

Webster's Dictionary

(1):

(v. t.) To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking.

(2):

(v. t.) To form, as sound, to a certain key, or to a certain portion.

(3):

(v. i.) To pass from one key into another.

Bibliography Information
Webster, Noah. Entry for 'Modulate'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​m/modulate.html. 1828.