Piling

Part of speech: noun (n.)

1. The act of heaping up.

2. The process of building up, heating, and working, fagots, or piles, to form bars, etc.

Part of speech: noun (n.)

A series of piles; piles considered collectively; as, the piling of a bridge. Pug piling, sheet piles connected together at the edges by dovetailed tongues and grooves. -- Sheet piling, a series of piles made of planks or half logs driven edge to edge, -- used to form the walls of cofferdams, etc.