v.
1.change the key of, in music
2.of one's speech, varying the pitch
3.fix or adjust the time, amount, degree, or rate of
4.adjust the pitch, tone, or volume of
5.vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)
Idiom of the Day
on the alert (for someone or something)
watchful and attentive for someone or something
The police are on the alert for the man who robbed the small store.