Answer: muffles

AnswerCrossword Clue
MUFFLESSilences.
MUFFLESDeadens sound.
MUFFLESQuiets
mufflesCover or wrap up (a source of sound) to reduce its loudness
mufflesMUFFLE, to dull the sound of
mufflesRestrain or conceal (someone) with wrappings
mufflesMake (a sound) quieter or less distinct
mufflesWrap or cover for warmth