bass voice

from WordNet (r) 3.0 (2006)

bass voice
    n 1: the lowest adult male singing voice [syn: {bass}, {bass
         voice}, {basso}]

from The Collaborative International Dictionary of English v.0.48

Bass \Bass\, a.
   Deep or grave in tone.
   [1913 Webster]

   {Bass clef} (Mus.), the character placed at the beginning of
      the staff containing the bass part of a musical
      composition. [See Illust. under {Clef}.]

   {Bass voice}, a deep-sounding voice; a voice fitted for
      singing bass.
      [1913 Webster]