modulate

modulate is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.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.
  2. 2.To pass from one key into another.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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