Definition of: tune

(tn, tyn) noun
1. A melodious succession of musical tones adjusted to some measure and constituting one whole; a melody or air.
2. A setting for a hymn or psalm used in worship.
3. The state or quality of being in the proper pitch or key.
4. Concord or unison.
5. Suitable temper or humor; state of mind.
6. Obs. A musical tone or sound.
—to change one's tune To assume a different manner or style.
—to the tune of To the serious or exorbitant amount of: to the tune of a thousand dollars.
—v. tuned, tun·ing v.t.
1. To adjust to a musical standard; put in tune; attune.
2. To adapt to a particular tone, expression, or mood.
3. To bring into harmony or accord.
4. To utter or express musically; sing.
—v.i.
5. To be in harmony.
—to tune in To adjust a radio receiver to the frequency of (a station, broadcast, etc.).
—to tune out To adjust a radio receiver to exclude (interference, a station, etc.).
—to tune up
1. To bring (musical instruments) to a common pitch.
2. To adjust (a machine, engine, etc.) to proper working order. [Var. of TONE]
—tun′ing adjective & noun