fresco

US /ˈfres.koʊ/
UK /ˈfres.koʊ/
"fresco" picture
1.

a painting done rapidly in watercolor on wet plaster on a wall or ceiling, so that the colors penetrate the plaster and become fixed as it dries

:
The artist spent months working on the elaborate fresco in the chapel.
Ancient Roman villas often featured beautiful frescoes depicting daily life.
1.

paint in fresco

:
The artist decided to fresco the entire dome with scenes from mythology.
It takes great skill to properly fresco a large surface.