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.
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.
7. [F. pile pile, an engraved die, L. pila a pillar.] The reverse of a
coin. See Reverse.
Cross and pile. See under Cross. -- Dry pile. See under Dry.
Pile, 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.
The labor of an age in piled stones.
Milton.
2. To cover with heaps; or in great abundance; to fill or overfill; to
load.
To pile arms or muskets (Mil.), to place three guns together so that
they may stand upright, supporting each other; to stack arms.
{ Pi"le*ate (?), Pi"le*a`ted (?), } a. [L. pileatus, fr. pileus a felt
cap or hat.] 1. Having the form of a cap for the head.
2. (Zoˆl.) Having a crest covering the pileus, or whole top of the
head.
Pileated woodpecker (Zoˆl.), a large American woodpecker (Ceophloeus
pileatus). It is black, with a bright red pointed crest. Called also
logcock, and woodcock.
Piled (?), a. [From 2d Pile.] Having a pile or point; pointed. [Obs.]
"Magus threw a spear well piled." Chapman.
Piled, a. [From 1d Pile.] Having a pile or nap. "Three-piled velvet."
L. Barry (1611).
Piled, a. [From 6d Pile.] (Iron Manuf.) Formed from a pile or fagot;
as, piled iron.
Pi*le"i*form (?), a. [Pileus + -form.] Having the form of a pileus or
cap; pileate.
Pile"ment (?), n. [From Pile to lay into a heap.] An accumulation; a
heap. [Obs.] Bp. Hall.
<! p. 1086 !>
||Pi*len"tum (?), 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.
||Pi`le*o*rhi"za (?), n.; pl. PilorhizÊ (#). [NL., fr. Gr. &?; a cap +
||&?; root.] (Bot.) A cap of cells which covers the growing extremity
||of a root; a rootcap.
Pi"le*ous (?), a. [See Pilous.] Consisting of, or covered with, hair;
hairy; pilose.
Pil"er (?), n. One who places things in a pile.
Piles (?), 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.]
Blind piles, hemorrhoids which do not bleed.
Pi"le*us (?), n.; pl. Pilei (#). [L., a felt cap.] 1. (Rom. Antiq.) A
kind of skull cap of felt.
2. (Bot.) The expanded upper portion of many of the fungi. See
Mushroom.