Definitions
1.NounThe outermost layer of the skin of vertebrates; the epidermis.
2.NounThe strip of hardened skin at the base and sides of a fingernail or toenail.
3.NounDead or cornified epidermis.
4.NounA noncellular protective covering outside the epidermis of many invertebrates and plants.
5.NounA thin skin formed on the surface of a liquid.
6.NounA protective layer on the shell of a bird's egg.