{n} a measure of six bushels, stem of a tree, an earth, viscid, soft, friable and slightly astingent
Gilding - Traditionally, bole is a term that identifies a pigmented clay This clay acts as the base, or cushion, for the subsequent layer of gold leaf Classically terra-cotta in color, the clay can be built up quickly, then polished to a very smooth surface
{i} any of several varieties of fine earthy clay used as pigments; reddish-brown color (Art)
Any one of several varieties of friable earthy clay, usually colored more or less strongly red by oxide of iron, and used to color and adulterate various substances