Oil painter's base (5)
I believe the answer is:
gesso
(Other definitions for gesso that I've seen before include "smeared on for starters by artists" , "Artist's plaster" , "Type of plaster" , "Plaster of Paris" , "Could get you plastered" .)
I believe the answer is:
gesso
(Other definitions for gesso that I've seen before include "smeared on for starters by artists" , "Artist's plaster" , "Type of plaster" , "Plaster of Paris" , "Could get you plastered" .)