Definition of “skin” - Learner’s Dictionary

skin

noun [ C, U ] us uk /skɪn/
Extra Examples
She has remarkably good skin for her age.Statistics show that skin cancer is becoming more common.My skin was so itchy, I was scratching all night.The fabric absorbs all the moisture, keeping your skin dry.This skin cream claims to counter the effects of sun damage.
BODY

B1 the outer layer of a person or animal's body:

dark/fair skin
skin cancer
ANIMAL

the outer layer of a dead animal used as leather, fur, etc:

a leopard skin rug
FRUIT

B2 the outer layer of a fruit or vegetable:

a banana/potato skin
LIQUID

a thin, solid layer that forms on the top of a liquid:

A skin had formed on the top of the milk.
COMPUTERS

the particular way that information is arranged and shown on a computer screen

(Definition of “skin noun” from the Cambridge Learner's Dictionary © Cambridge University Press)