Available Definitions:
1) v. i. - To thunder.
2) v. i. - To sound the tones of the musical scale; to practice the sol-fa.
3) v. i. - To modulate the voice in a musical, sonorous, and measured manner, as in reading the liturgy; to intone.
4) v. t. - To utter in a musical or sonorous manner; to chant; as, to intonate the liturgy.