A place of deep mud or mire; a hole full of mire.

The skin or cast skin of a serpent.

The part that separates from a foul sore. The dead part which separates from the living in mortification.

sluff. To separate from the sound flesh; to come off; as the matter over a sore; a term in surgery. To slough off, to separate from the living parts, as the dead part in mortification.