Definition of skin:
a natural protective body covering and site of the sense of touch; "your skin is the largest organ of your body"
an outer surface (usually thin); "the skin of an airplane"
body covering of a living animal
a person's skin regarded as their life; "he tried to save his skin"
the rind of a fruit or vegetable
a bag serving as a container for liquids; it is made from the hide of an animal
climb awkwardly, as if by scrambling
bruise, cut, or injure the skin or the surface of; "The boy skinned his knee when he fell"
remove the bark of a tree
strip the skin off; "pare apples"