muffle

To mumble; mutter; speak indistinctly.

The tumid and naked part of the upper lip and nose of ruminants and rodents.

To infold or wrap up, especially in some cloth or woven fabric, so as to conceal from view or protect from the weather; wrap up or cover close, particularly the neck and face; envelop or inwrap in some covering.

To blindfold.

Figuratively, to wrap up or cover; conceal; involve.