A structural support comprising a length of wood, steel, or other construction material. / The act of heaping up.

present participle of pile

plural of piling

present participle of pile on

(American football) An illegal strategy wherein players tackle an opposing player.

present participle of pile in

A mass of things heaped together; a heap. / (informal) A group or list of related items up for consideration, especially in some kind of selection process. / A mass formed in layers.

(transitive, often used with the preposition "up") To lay or throw into a pile or heap; to heap up; to collect into a mass; to accumulate

(obsolete) A dart; an arrow. / The head of an arrow or spear.

(transitive) To drive piles into; to fill with piles; to strengthen with piles.