noun a sound; a note; a tone.
2. tune ·vt to sing with melody or harmony.
3. tune ·vt to put into a proper state or disposition.
4. tune ·vi to form one sound to another; to form accordant musical sounds.
5. tune ·noun order; harmony; concord; fit disposition, temper, or humor; right mood.
6. tune ·vt to give tone to; to attune; to adapt in style of music; to make harmonious.
7. tune ·vi to utter inarticulate harmony with the voice; to sing without pronouncing words; to hum.
8. tune ·vt to put into a state adapted to produce the proper sounds; to harmonize, to cause to be in tune; to correct the tone of; as, to tune a piano or a violin.
9. tune ·noun the state of giving the proper, sound or sounds; just intonation; harmonious accordance; pitch of the voice or an instrument; adjustment of the parts of an instrument so as to harmonize with itself or with others; as, the piano, or the organ, is not in tune.
10. tune ·noun a rhythmical, melodious, symmetrical series of tones for one voice or instrument, or for any number of voices or instruments in unison, or two or more such series forming parts in harmony; a melody; an air; as, a merry tune; a mournful tune; a slow tune; a psalm tune. ·see air.