(informal) Of a person: to gain weight quickly.

A steel pile having a wide helical blade attached at the foot; it is twisted into soft ground in order to provide a large bearing area

(publishing) The set of unsolicited manuscripts sent to a publisher.

An early electric battery constructed from discs of silver foil, zinc foil, and paper.

(obsolete) The finest and most costly kind of velvet, with a fine, thick pile.

(UK, obsolete) The game of wagering money on heads or tails.

(US colloquial, transitive) To cause a group of people to lie in a pile upon another, originally as a punishment to the victim on the bottom.

(US, colloquial) A disorderly pile of people formed by jumping upon a victim.

plural of pile on

(astronomy) An astronomical object that is not a monolith, but rather consists of numerous pieces of rock that have coalesced under the influence of gravity.