In elect, to bring (two or more electric circuits) into resonance; adjust to syntony; make the natural frequency for electrical oscillations in (one circuit) equal to the frequency in another circuit by adjustments of inductance and capacity.In psychophysics, to adjust physiologically to respond in an individual way to determinate intensities of stimulus: said (in the passive) of the pressure, warmth, cold, and pain ‘spots’ of the skin.n. A sound, especially a musical tone.n. A well-rounded and pleasing succession of tones; an air; a melody; especially, a brief melodic piece in simple metrical form. The term is often extended to include the harmony with which such a melody is accompanied.n. Specifically A musical setting of a hymn, usually in four-part harmony, intended for use in public worship; a hymn-tune; chorale.n. Same as entr'acte. Sometimes called an acttune.n. Correct intonation in singing or playing on an instrument; capacity for producing tones in correct intonation; the proper construction or adjustment of a musical instrument with reference to such intonation; mutual adaptation of voices or instruments in pitch and temperament.n. Frame of mind; mood; temper, especially temper for the time being: as, to be in tune (to be in the right disposition, or fit temper or humor).n. In phrenology, one of the perceptive faculties, of which the organ is said to be situated above the external angle of the orbit of the eye, as high as the middle of the forehead, on each side of the temporal ridge. This faculty is claimed to give the perception of melody or harmony. See phrenology.To adjust the tones of (a voice or a musical instrument) with reference to a correct or given standard of pitch or temperament. See tuning.To play upon; produce melody or harmony from.To express by means of melody or harmony: celebrate in music.To give a special tone or character to; attune.To put into a state proper for any purpose, or adapted to produce a particular effect.To bring into uniformity or harmony.To give forth musical sound.To accord with some correct or given standard of pitch or temperament.To utter inarticulate musical sounds with the voice; sing without using words; hum a tune.