The Collaborative International Dictionary of English v.0.48:

Voiced \Voiced\, a.
   1. Furnished with a voice; expressed by the voice.
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   2. (Phon.) Uttered with voice; pronounced with vibrations of
      the vocal cords; sonant; -- said of a sound uttered with
      the glottis narrowed.
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   Voiced stop, Voice stop (Phon.), a stopped consonant made
      with tone from the larynx while the mouth organs are
      closed at some point; a sonant mute, as b, d, g hard.
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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.
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            It was voiced that the king purposed to put to death
            Edward Plantagenet.                   --Bacon.
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   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.
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   3. To fit for producing the proper sounds; to regulate the
      tone of; as, to voice the pipes of an organ.
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   4. To vote; to elect; to appoint. [Obs.] --Shak.
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WordNet (r) 3.0 (2006):

voiced
    adj 1: produced with vibration of the vocal cords; "a frequently
           voiced opinion"; "voiced consonants such as `b' and `g'
           and `z'"; [syn: voiced, sonant, soft] [ant: hard,
           surd, unvoiced, voiceless]