Definitions

1. noun

a person or device that controls and regulates the pitch of a musical instrument, especially a piano, or that imitates or reproduces a voice or sound.

“The intonator helped the singer develop her pitch and tone.”

2. noun

a person who intones or gives a musical quality to something, especially speech or a voice.

“The intonator added a soothing melody to the narrator’s voice.”

3. verb

to give a musical quality to something, especially speech or a voice.

“The speaker intonated her words with a gentle rhythm.”