Piling

Webster's Dictionary of the English Language

·noun The act of heaping up.

II. Piling ·p.pr. & ·vb.n. of Pile.

III. Piling ·noun A series of piles; piles considered collectively; as, the piling of a bridge.

IV. Piling ·noun The process of building up, heating, and working, fagots, or piles, to form bars, ·etc.