\Pil"ing\, n. [See {Pile} a heap.]
1. The act of heaping up.
2. (Iron Manuf.) The process of building up, heating, and
   working, fagots, or piles, to form bars, etc.

\Pil"ing\, n. [See {Pile} a stake.]
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.