{ } n. [ L. aeolipilae; Aeolus god of the winds + pila a ball, or Gr. &unr_; gate (i. e., doorway of Æolus); cf. F. éolipyle. ] An apparatus consisting chiefly of a closed vessel (as a globe or cylinder) with one or more projecting bent tubes, through which steam is made to pass from the vessel, causing it to revolve. [ Written also eolipile. ] [ 1913 Webster ]

☞ Such an apparatus was first described by Hero of Alexandria about 200 years b. c. It has often been called the first steam engine. [ 1913 Webster ]

a. [ Pref. anti- + epileptic. ] (Med.) Good against epilepsy. -- n. A medicine for epilepsy. [ 1913 Webster ]

a. & n. (Med.) Same as Antepileptic. [ 1913 Webster ]

v. t. [ imp. & p. p. Compiled p. pr. & vb. n. Compiling. ] [ F. compiler, fr.L. compilare to plunder, pillage; com- + pilare to plunder. See Pill, v. t., Pillage. ] 1. To put together; to construct; to build. [ Obs. ] [ 1913 Webster ]

Before that Merlin died, he did intend
A brazen wall in compass to compile. Spenser. [ 1913 Webster ]

2. To contain or comprise. [ Obs. ] [ 1913 Webster ]

Which these six books compile. Spenser. [ 1913 Webster ]

3. To put together in a new form out of materials already existing; esp., to put together or compose out of materials from other books or documents. [ 1913 Webster ]

He [ Goldsmith ] compiled for the use of schools a History of Rome. Macaulay. [ 1913 Webster ]

4. To write; to compose. [ Obs. ] Sir W. Temple. [ 1913 Webster ]

5. (Computers) to process (computer program source code) with a compiler{ 2 } to produce an assembly-language program or an executable program in machine language. [ PJC ]

n. Compilation. [ R. ] [ 1913 Webster ]

n. [ OE. compiluor; cf. OF. compileor, fr. L. compilator. ] 1. One who compiles; esp., one who makes books by compilation. [ 1913 Webster ]

2. (Computers) a computer program that decodes instructions written in a higher-level computer language to produce an assembly-language program or an executable program in machine language. [ WordNet 1.5 +PJC ]

n. [ Cf. F. éolipyle. ] Same as æolipile. [ 1913 Webster ]

n. [ L. epilepsia, Gr. &unr_; a seizure, the “falling sickness, ” fr. &unr_; to take besides, seize, attack; 'epi` upon, besides + &unr_; to take: cf. F. épilepsie. Cf. Catalepsy. ] (Med.) The “falling sickness, ” so called because the patient falls suddenly to the ground; a disease characterized by paroxysms (or fits) occurring at interval and attended by sudden loss of consciousness, and convulsive motions of the muscles. Dunglison. [ 1913 Webster ]

a. [ L. epilepticus, Gr. &unr_; : cf. F. épileptique. ] Pertaining to, affected with, or of the nature of, epilepsy. [ 1913 Webster ]

n. 1. One affected with epilepsy. [ 1913 Webster ]

2. A medicine for the cure of epilepsy. [ 1913 Webster ]

a. Epileptic. [ 1913 Webster ]

a. Resembling epilepsy. [ 1913 Webster ]

a. [ Gr. 'epi`lhptos epileptic + -genous. ] (Med.) Producing epilepsy or epileptoid convulsions; -- applied to areas of the body or of the nervous system, stimulation of which produces convulsions. [ 1913 Webster ]

a. [ Gr. 'epi`lhptos + -oid. ] (Med.) Resembling epilepsy; as, epileptoid convulsions. [ 1913 Webster ]

n. [ Hysteria + epilepsy. ] (Med.) A disease resembling hysteria in its nature, and characterized by the occurrence of epileptiform convulsions, which can often be controlled or excited by pressure on the ovaries, and upon other definite points in the body. -- Hys`ter*o*ep`i*lep"tic a. [1913 Webster]

n. 1. (Construction) The broken material at the face of a tunnel being bored, after being crushed by blasting. [ RDH ]

2. (Mining) Muck{ 5 } that has been placed in a spoil area. [ RDH ]

n. [ L. pilus hair. Cf. Peruke. ] 1. A hair; hence, the fiber of wool, cotton, and the like; also, the nap when thick or heavy, as of carpeting and velvet. [ 1913 Webster ]

Velvet soft, or plush with shaggy pile. Cowper. [ 1913 Webster ]

2. (Zool.) A covering of hair or fur. [ 1913 Webster ]

n. [ L. pilum javelin. See Pile a stake. ] The head of an arrow or spear. [ Obs. ] Chapman. [ 1913 Webster ]

n. [ AS. pīl 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. [ 1913 Webster ]

☞ Tubular iron piles are now much used. [ 1913 Webster ]

2. [ Cf. F. pile. ] (Her.) One of the ordinaries or subordinaries having the form of a wedge, usually placed palewise, with the broadest end uppermost. [ 1913 Webster ]

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. [ 1913 Webster ]

v. t. To drive piles into; to fill with piles; to strengthen with piles. [ 1913 Webster ]

To sheet-pile, to make sheet piling in or around. See Sheet piling, under 2nd Piling. [ 1913 Webster ]

n. [ 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. [ 1913 Webster ]

2. A mass formed in layers; as, a pile of shot. [ 1913 Webster ]

3. A funeral pile; a pyre. Dryden. [ 1913 Webster ]

4. A large building, or mass of buildings. [ 1913 Webster ]

The pile o'erlooked the town and drew the fight. Dryden. [ 1913 Webster ]

5. (Iron Manuf.) Same as Fagot, n., 2. [ 1913 Webster ]

6. (Elec.) 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. [ 1913 Webster ]

☞ The term is sometimes applied to other forms of apparatus designed to produce a current of electricity, or as synonymous with battery; as, for instance, to an apparatus for generating a current of electricity by the action of heat, usually called a thermopile. [ 1913 Webster ]

7. [ F. pile pile, an engraved die, L. pila a pillar. ] The reverse of a coin. See Reverse. [ 1913 Webster ]

Cross and pile. See under Cross. --
Dry pile. See under Dry. [ 1913 Webster ]

v. t. [ imp. & p. p. Piled p. pr. & vb. n. Piling. ] 1. 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. “Hills piled on hills.” Dryden. “Life piled on life.” Tennyson. [ 1913 Webster ]

The labor of an age in piled stones. Milton. [ 1913 Webster ]

2. To cover with heaps; or in great abundance; to fill or overfill; to load. [ 1913 Webster ]

To pile arms
To pile muskets (Mil.), to place three guns together so that they may stand upright, supporting each other; to stack arms. [ 1913 Webster ]

{ } a. [ L. pileatus, fr. pileus a felt cap or hat. ] 1. Having the form of a cap for the head. [ 1913 Webster ]

2. (Zool.) Having a crest covering the pileus, or whole top of the head. [ 1913 Webster ]

Pileated woodpecker (Zool.), a large American woodpecker (Ceophloeus pileatus). It is black, with a bright red pointed crest. Called also logcock, and woodcock. [ 1913 Webster ]

a. [ From 2d Pile. ] Having a pile or point; pointed. [ Obs. ] “Magus threw a spear well piled.” Chapman. [ 1913 Webster ]

a. [ From 1d Pile. ] Having a pile or nap. “Three-piled velvet.” L. Barry (1611). [ 1913 Webster ]

a. [ From 6d Pile. ] (Iron Manuf.) Formed from a pile or fagot; as, piled iron. [ 1913 Webster ]

a. [ Pileus + -form. ] Having the form of a pileus or cap; pileate. [ 1913 Webster ]

n. [ From Pile to lay into a heap. ] An accumulation; a heap. [ Obs. ] Bp. Hall. [ 1913 Webster ]

‖n.; pl. Pilenta [ L. ] (Rom. Antiq.) An easy chariot or carriage, used by Roman ladies, and in which the vessels, etc., for sacred rites were carried. [ 1913 Webster ]

‖n.; pl. Pilorhizæ [ NL., fr. Gr. &unr_; a cap + &unr_; root. ] (Bot.) A cap of cells which covers the growing extremity of a root; a rootcap. [ 1913 Webster ]

a. [ See Pilous. ] Consisting of, or covered with, hair; hairy; pilose. [ 1913 Webster ]

n. One who places things in a pile. [ 1913 Webster ]

n. pl. [ L. pila a ball. Cf. Pill a medicine. ] (Med.) The small, troublesome tumors or swellings about the anus and lower part of the rectum which are technically called hemorrhoids. See Hemorrhoids. [ The singular pile is sometimes used. ] [ 1913 Webster ]

Blind piles, hemorrhoids which do not bleed. [ 1913 Webster ]

n.; pl. Pilei [ L., a felt cap. ] 1. (Rom. Antiq.) A kind of skull cap of felt. [ 1913 Webster ]

2. (Bot.) The expanded upper portion of many of the fungi. See Mushroom. [ 1913 Webster ]

3. (Zool.) The top of the head of a bird, from the bill to the nape. [ 1913 Webster ]

n. (Zool.) The teredo. [ 1913 Webster ]

a. Having the pile worn off; threadbare. [ 1913 Webster ]

n. (Bot.) A plant (Ranunculus Ficaria of Linnæus) whose tuberous roots have been used in poultices as a specific for the piles. Forsyth. [ 1913 Webster ]

v. t. To compile anew. [ 1913 Webster ]

n. The act of recompiling; new compilation or digest; as, a recompilement of the laws. Bacon. [ 1913 Webster ]

n. [ Cf. LG. spile, dial. G. speil, speiler, D. spijl. √170. ] 1. A small plug or wooden pin, used to stop a vent, as in a cask. [ 1913 Webster ]

2. A small tube or spout inserted in a tree for conducting sap, as from a sugar maple. [ 1913 Webster ]

3. A large stake driven into the ground as a support for some superstructure; a pile. [ 1913 Webster ]

4. (Mining) One of the thick laths or poles driven horizontally ahead on top of a set of the main timbering in advancing a level in loose ground.
Syn. -- forepole; spill{ 2d }. [ RDH ]

Spile hole, a small air hole in a cask; a vent. [ 1913 Webster ]

v. t. To supply with a spile or a spigot; to make a small vent in, as a cask. [ 1913 Webster ]

n. (Chem.) A polymeric form of terpene, resembling terbene. [ 1913 Webster ]

n. [ Thermo- + pile a heap. ] (Physics) An instrument of extreme sensibility, used to determine slight differences and degrees of heat. It is composed of alternate bars of antimony and bismuth, or any two metals having different capacities for the conduction of heat, connected with an astatic galvanometer, which is very sensibly affected by the electric current induced in the system of bars when exposed even to the feeblest degrees of heat. [ 1913 Webster ]

n. An old name for the finest and most costly kind of velvet, having a fine, thick pile. [ 1913 Webster ]

I have served Prince Florizel and in my time wore three-pile. Shak. [ 1913 Webster ]

a. 1. Having the quality of three-pile; best; most costly. [ R. ] [ 1913 Webster ]

Thou art good velvet; thou 'rt three-piled piece. Shak. [ 1913 Webster ]

2. Fig.: Extravagant; exaggerated; high-flown. “Three-piled hyperboles.” Shak. [ 1913 Webster ]

3. Accustomed to wearing three-pile; hence, of high rank, or wealth. [ Obs. ] “Three-piled people.” Beau. & Fl. [ 1913 Webster ]

v. t. To pile, or heap, up. Southey. [ 1913 Webster ]