SHINGLING

Shin″gling (?), n. 1. 1. The act of covering with shingles; shingles, collectively; a covering made of shingles.
2. 2. (Metal) The process of expelling scoriæ and other impurities by hammering and squeezing, in the production of wrought iron.
Shingling hammer, a ponderous hammer moved by machinery, used in shingling puddled iron. — Shingling mill, a mill or forge where puddled iron is shingled.