PILE
Pile, n. Etym: [AS. pil arrow, stake, L. pilum javelin; but cf. also
L. pila pillar.]
1. A large stake, or piece of timber, pointed and driven into the earth, as at the bottom of a river, or in a harbor where the ground is soft, for the support of a building, a pier, or other superstructure, or to form a cofferdam, etc.
Note: Tubular iron piles are now much used.
2. Etym: [Cf. F. pile.] (Her.)
Defn: One of the ordinaries or subordinaries having the form of a wedge, usually placed palewise, with the broadest end uppermost. Pile bridge, a bridge of which the roadway is supported on piles. — Pile cap, a beam resting upon and connecting the heads of piles. — Pile driver, or Pile engine, an apparatus for driving down piles, consisting usually of a high frame, with suitable appliances for raising to a height (by animal or steam power, the explosion of gunpowder, etc.) a heavy mass of iron, which falls upon the pile. — Pile dwelling. See Lake dwelling, under Lake. — Pile plank (Hydraul. Eng.), a thick plank used as a pile in sheet piling. See Sheet piling, under Piling. — Pneumatic pile. See under Pneumatic. — Screw pile, one with a screw at the lower end, and sunk by rotation aided by pressure.
PILE
Pile, v. t.
Defn: To drive piles into; to fill with piles; to strengthen with piles. To sheet-pile, to make sheet piling in or around. See Sheet piling, under 2nd Piling.
PILE
Pile, n. Etym: [F. pile, L. pila a pillar, a pier or mole of stone.
Cf. Pillar.]
1. A mass of things heaped together; a heap; as, a pile of stones; a pile of wood.
2. A mass formed in layers; as, a pile of shot.