muffle

a kiln with an inner chamber for firing things at a low temperature

The bare end of the nose between the nostrils; -- used esp. of ruminants.

Anything with which another thing, as an oar or drum, is muffled; also, a boxing glove; a muff.

conceal or hide

deaden (a sound or noise), especially by wrapping

To wrap up in something that conceals or protects; to wrap, as the face and neck, in thick and disguising folds; hence, to conceal or cover the face of; to envelop; to inclose; -- often with up.

To speak indistinctly, or without clear articulation.