Button that turns the sound off (4)
I believe the answer is:
mute
(Other definitions for mute that I've seen before include "Silencer" , "Deaden sound of" , "having no voice" , "Speechless, soundless" , "Unable to speak" .)
I believe the answer is:
mute
(Other definitions for mute that I've seen before include "Silencer" , "Deaden sound of" , "having no voice" , "Speechless, soundless" , "Unable to speak" .)