||Ges"so (?), n. [It., chalk, plaster.] 1. Plaster of Paris, or gypsum, esp. as prepared for use in painting, or in making bas-reliefs and the like; by extension, a plasterlike or pasty material spread upon a surface to fit it for painting or gilding, or a surface so prepared.

2. A work of art done in gesso. [Obs.]

||Ges"so (?), n. [It., chalk, plaster.] 1. Plaster of Paris, or gypsum, esp. as prepared for use in painting, or in making bas-reliefs and the like; by extension, a plasterlike or pasty material spread upon a surface to fit it for painting or gilding, or a surface so prepared.

2. A work of art done in gesso. [Obs.]

• a mixture of plaster of Paris and glue used to prepare a surface for painting
  
  Italian
• chalk