Zoology. In molluscs, cirripedes, and brachiopods: the layer of epidermal tissue which encloses the body and secretes the shell. Also: any of…

A covering or skin of any kind, esp. a snake's skin. Also in extended use. English regional in later use.

That with which anything is covered, enclosed, or clothed; a covering, investment, coating. spec. The natural covering or investment of the body, or…

The skin or hide of an animal; esp. the blubber of a whale, porpoise, etc. Now rare (archaic in later use.)

Skin; now only slang exc. spec., the skin on the ear-flap of a dog. to lose leather; to suffer abrasion of skin. Also, †a bag or pouch of skin.