1. a thin layer of a substance spread over a surface
2. material used to form a protective or decorative layer

Examples

• The pan has a non-stick coating.
• Apply a thin coating of paint to the wall.
• Ice formed a slippery coating on the sidewalk.
• The pill has a special coating to protect your stomach.
• Remove the old coating before applying the new one.
• A coating of dust covered the furniture.
• The chocolate coating melted in the sun.