CLAY n.
on, or an alkali, and therefore infusible, and used for fire brick. -- Porcelain clay, a very pure variety, formed directly from the decomposition of feldspar, and often called kaolin. -- Potter's clay, a tolerably pure kind, free from iron.
CLOG n.
protect the feet from wet, or to increase the apparent stature, and having, therefore, a very thick sole. Cf. Chopine. In France the peasantry goes barefoot; and the middle sort . . . makes use of wooden clogs. Harvey. Clog almanac, a primitive kind of almanac or calendar, formerly used in England, made by cutting not…