shingle
noun
°A small, thin piece of building material, often with one end thicker than the other, for laying in overlapping rows as a covering for the roof or sides of a building.
°A rectangular piece of steel obtained by means of a shingling process involving hammering of puddled steel.
verb
°To cover with small, thin pieces of building material, with shingles.
°(industry) To hammer and squeeze material in order to expel cinder and impurities from it, as in metallurgy.