1.the distinctive quality or pitch or condition of a person's speech;

A shrill voice sounded behind us

2.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

3.a sound suggestive of a vocal utterance;

the noisy voice of the waterfall

4.expressing in coherent verbal form;

the articulation of my feelings

5.a means or agency by which something is expressed or communicated;

the voice of the law

6.something suggestive of speech in being a medium of expression;

the wee small voice of conscience

7.(metonymy) a singer;

he wanted to hear trained voices sing it

8.an advocate who represents someone else's policy or purpose;

the meeting was attended by spokespersons for all the major organs of government

9.the ability to speak;

he lost his voice

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;

he tried to sing the tenor part

1.give voice to;

He voiced his concern

2.utter with vibrating vocal chords