Definition of "Voice" :
noun: a means or agency by which something is expressed or communicated
"The voice of the law."
noun: the distinctive quality or pitch or condition of a person's speech
"A shrill voice sounded behind us."
noun: the ability to speak
"He lost his voice."
noun: the melody carried by a particular voice or instrument in polyphonic music
noun: expressing in coherent verbal form
"I gave voice to my feelings."
noun: the sound made by the vibration of vocal folds modified by the resonance of the vocal tract
"A singer takes good care of his voice."
noun: something suggestive of speech in being a medium of expression
"The wee small voice of conscience."
noun: a sound suggestive of a vocal utterance
"The noisy voice of the waterfall."
noun: an advocate who represents someone else's policy or purpose
noun: (metonymy) a singer
"He wanted to hear trained voices sing it."
noun: (linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes
verb: give voice to
"He voiced his concern."
verb: utter with vibrating vocal chords