- The process of working clay, loam, pulverized ore, etc.,
with water, to render it compact, or impervious to liquids; also, the
process of rendering anything impervious to liquids by means of puddled
material. - Puddle. See Puddle, n., 2. - The art or process of converting cast iron into wrought
iron or steel by subjecting it to intense heat and frequent stirring in
a reverberatory furnace in the presence of oxidizing substances, by
which it is freed from a portion of its carbon and other impurities.