skin

noun

1. the external covering or integument of an animal body, especially when soft and flexible.
2. such an integument stripped from the body of an animal, especially a small animal; pelt: a beaver skin.
3. the tanned or treated pelt or hide of an animal, especially when used in apparel and accessories; leather (usually used in combination): pigskin; calfskin.
4. any integumentary covering, casing, outer coating, or surface layer, as an investing membrane, the rind or peel of fruit, or a film on liquid: a skin of thin ice; the aluminum skin of an airplane.
5. Jewelry.
   1. the outermost layer of a pearl.
   2. the outermost layer of a diamond as found: often different in color and refraction from the inner part of the stone.
6. Nautical.
   1. the shell or ceiling of a hull.
   2. the outer, exposed part of a furled sail.
7. Metallurgy. an outer layer of a metal piece having characteristics differing from those of the interior.
8. a container made of animal skin, used for holding liquids, especially wine.
9. Slang. condom.
10. skins, Slang. drums.
11. Slang. a swindler; cheat.
12. Slang. a skinflint.
13. Slang. a horse.
14. Slang. a dollar bill.
15. Rocketry. the outer surface of a missile or rocket.