basecoat
/ˈbeɪskoʊt/Definitions
1. noun
A preliminary coat of paint or varnish applied to a surface before applying a finish coat, especially to protect the surface or to provide a uniform base for painting.
“The artist applied a basecoat to the wooden panel before painting the intricate design.”
2. verb
To apply a basecoat to something, especially a surface.
“The decorator basecoated the walls with a special primer before painting the wallpaper.”