topcoat
🇺🇸
/ˈtɑːpkəʊt/
🇬🇧
/ˈtɒpkəʊt/
A final layer of paint applied to a surface.
The artist decided to add a topcoat to protect the painting from dust and scratches.
A long coat worn over other clothes.
She wore a stylish topcoat to keep warm during the chilly winter months.