[1] : The Collaborative International Dictionary of English v.0.48

voice \voice\, v. t. imp.  p. p. voiced; p. pr.  vb. n.
   voicing.
   1. to give utterance or expression to; to utter; to publish;
      to announce; to divulge; as, to voice the sentiments of
      the nation. "rather assume thy right in silence and . . .
      then voice it with claims and challenges." --bacon.
      1913 webster

            it was voiced that the king purposed to put to death
            edward plantagenet.                   --bacon.
      1913 webster

   2. phon. to utter with sonant or vocal tone; to pronounce
      with a narrowed glottis and rapid vibrations of the vocal
      cords; to speak above a whisper.
      1913 webster

   3. to fit for producing the proper sounds; to regulate the
      tone of; as, to voice the pipes of an organ.
      1913 webster

   4. to vote; to elect; to appoint. obs. --shak.
      1913 webster
see also:
voiced voicing 

[2] : WordNet (r) 2.0

voicing
     n : the act of adjusting an organ pipe or wind instrument so
         that it conforms to the standards of tone and pitch and
         color

Voicing >> V Words
Voicing, definition of term: Voicing
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