Mute

n.
  1. One who does not speak, whether from physical inability, unwillingness, or other cause.
  2. (Phon.) A letter which represents no sound; a silent letter; also, a close articulation; an element of speech formed by a position of the mouth organs which stops the passage of the breath; as, p, b, d, k, t.
  3. (Mus.) A little utensil made of brass, ivory, or other material, so formed that it can be fixed in an erect position on the bridge of a violin, or similar instrument, in order to deaden or soften the tone.
    1. One who, from deafness, either congenital or from early life, is unable to use articulate language; a deaf-mute.
    2. A person employed by undertakers at a funeral.
    3. A person whose part in a play does not require him to speak.
    4. Among the Turks, an officer or attendant who is selected for his place because he can not speak.