Definition of pile

• n. - A hair; hence, the fiber of wool, cotton, and the like; also, the nap when thick or heavy, as of carpeting and velvet.
• n. - A covering of hair or fur.
• n. - The head of an arrow or spear.
• n. - 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.
• n. - One of the ordinaries or subordinaries having the form of a wedge, usually placed palewise, with the broadest end uppermost.
• v. t. - To drive piles into; to fill with piles; to strengthen with piles.
• n. - A mass of things heaped together; a heap; as, a pile of stones; a pile of wood.
• n. - A mass formed in layers; as, a pile of shot.
• n. - A funeral pile; a pyre.
• n. - A large building, or mass of buildings.
• n. - Same as Fagot, n., 2.
• n. - A vertical series of alternate disks of two dissimilar metals, as copper and zinc, laid up with disks of cloth or paper moistened with acid water between them, for producing a current of electricity; -- commonly called Volta's pile, voltaic pile, or galvanic pile.
• n. - The reverse of a coin. See Reverse.
• v. t. - To lay or throw into a pile or heap; to heap up; to collect into a mass; to accumulate; to amass; -- often with up; as, to pile up wood.
• v. t. - To cover with heaps; or in great abundance; to fill or overfill; to load.