Mod"u*late (?), v. t. [imp. & p. p. Modulated (?); p. pr. & vb. n. Modulating (?).] [L. modulatus, p.p. of modulari to measure, to modulate, fr. modulus a small measure, meter, melody, dim. of modus. See Mode.]
1.
To form, as sound, to a certain key, or to a certain portion.
2.
To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking.
Could any person so modulate her voice as to deceive so many?
Broome.
© Webster 1913.
Mod"u*late, v. i. Mus.
To pass from one key into another.
© Webster 1913.