Zoom button (4)
I believe the answer is:
mute
(Other definitions for mute that I've seen before include "Speechless, soundless" , "Silence" , "Unspeaking" , "Soften the sound" , "Device for softening musical sound" .)
I believe the answer is:
mute
(Other definitions for mute that I've seen before include "Speechless, soundless" , "Silence" , "Unspeaking" , "Soften the sound" , "Device for softening musical sound" .)