topcoat

A light overcoat (outer garment).

Our new acquaintance very deliberately coiled up the tube of his hookah, and produced from behind a curtain a very long befrogged topcoat with Astrakhan collar and cuffs.

He is wearing a black armband on the left sleeve of his gray topcoat.

A layer of paint or varnish etc. applied after the undercoat.

Near-synonym: overcoat

Apply two topcoats, particularly to areas that are fully exposed to the weather such as the south side of the house. A total of three coats (primer and two topcoats) should result in an optimum thickness of 4-1/2 to 5 mils.

To apply a topcoat to (something).