Coating (noun)

1. A thin layer of a substance covering a surface for protection, decoration or other purposes.
2. The action or process of applying such a layer.
3. A material used as a coating.
4. The outermost layer of cells on the surface of a wound or sore, formed during healing.

Origin:

From middle english 'coten', from old french 'cote', from frankish 'kotta', from proto-germanic 'kuttô', from proto-indo-european 'gew-.

Examples:

1. The coating on the walls protected them from damage.
2. The cake was covered in a thick chocolate coating.
3. He was responsible for the coating on the cars in the showroom.
4. The wound was covered with a protective coating to prevent infection.
5. The manufacturer offers a range of different coatings for their products.