What is the meaning of Muffle?

Anything that mutes or deadens sound.

A warm piece of clothing for the hands.

A boxing glove.

A kiln or furnace, often electric, with no direct flames (a muffle furnace)

The bare end of the nose between the nostrils, especially in ruminants.

A machine with two pulleys to hoist load by spinning wheels, polyspast, block and tackle.

To wrap (a person, face etc.) in fabric or another covering, for warmth or protection; often with up.

To wrap up or cover (a source of noise) in order to deaden the sound.

To mute or deaden (a sound etc.).

To speak indistinctly, or without clear articulation.

To prevent seeing, or hearing, or speaking, by wraps bound about the head; to blindfold; to deafen.

Source: wiktionary.org