Piling \Pil"ing\, n. [See {Pile} a stake.]
A series of piles; piles considered collectively; as, the
piling of a bridge.
[1913 Webster]
{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.
[1913 Webster]