[ 'frɛskəʊ ]
■ noun ( plural ~es or ~s ) a type of painting done in watercolour on wet plaster on a wall or ceiling, in which the colours penetrate the plaster and become fixed as it dries.
Derivatives
~ed adjective
Origin
C16: Ital., lit. 'cool, fresh'; first recorded in the phr. in ~ , representing Ital. af~ , al ~ 'on the fresh (plaster)'.