muffle

muffle (http://definr.com/muffle)

     n : a kiln with an inner chamber for firing things at a low
         temperature
     v 1: conceal, suppress, or hide; "smother a yawn" [syn: smother,
           stifle]
     2: deaden (a sound or noise), esp. by wrapping [syn: mute, dull,
         damp, dampen, tone down]
     3: quieten or silence (a sound) or make (an image) less visible
        [syn: dampen, mute, deaden, damp, tone down]