gesso
- n gypsum or plaster of Paris spread on a surface to make it suitable for painting or gilding (or a surface so prepared)
- He set the planks edge to edge, smoothed them, and then brushed on a white gesso base.
- Such is George Tooker, 46, who works painstakingly in the 14th century Florentine medium of egg tempera on gesso panels.
- Varda used to work on gesso (a smooth-surfaced, white mixture of rabbit glue and whiting solution) and with mosaics.