n. 1.the distinctive quality or pitch or condition of a person's speech 2.the sound made by the vibration of vocal folds modified by the resonance of the vocal tract 3.a sound suggestive of a vocal utterance 4.expressing in coherent verbal form 5.a means or agency by which something is expressed or communicated 6.something suggestive of speech in being a medium of expression 7.(metonymy) a singer 8.an advocate who represents someone else's policy or purpose 9.the ability to speak 10.(linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes 11.the melody carried by a particular voice or instrument in polyphonic music voice v. 1.give voice to 2.utter with vibrating vocal chords