1 [pool]
a small body of standing water; pond.
a still, deep place in a stream.
any small collection of liquid on a surface: a pool of blood.
a puddle.
a subterranean accumulation of oil or gas held in porous and permeable sedimentary rock (reservoir)
verb (used without object)
to form a pool.
(of blood) to accumulate in a body part or organ.
verb (used with object)
to cause pools to form in.
to cause (blood) to form pools.
of or for a pool: pool filters.
taking place or occurring around or near a pool: a pool party.

before 900; Middle English; Old English pōl; cognate with Dutch poel, German Pfuhl

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2 [pool]
Also called pocket billiards. any of various games played on a pool table with a cue ball and 15 other balls that are usually numbered, in which the object is to drive all the balls into the pockets with the cue ball.
the total amount staked by a combination of bettors, as on a race, to be awarded to the successful bettor or bettors.
the combination of such bettors.
an association of competitors who agree to control the production, market, and price of a commodity for mutual benefit, although they appear to be rivals.
Finance. a combination of persons or organizations for the purpose of manipulating the prices of securities.
a combination of resources, funds, etc., for common advantage.
the combined interests or funds.
a facility, resource, or service that is shared by a group of people: a car pool; a typing pool.
the persons or parties involved.
the stakes in certain games.
British. a billiard game.
Fencing. a match in which each teammate successively plays against each member of the opposing team.
verb (used with object)
to put (resources, money, etc.) into a pool, or common stock or fund, as for a financial venture, according to agreement.
to form a pool of.
to make a common interest of.
verb (used without object)
to enter into or form a pool.
of or belonging to a pool: a pool typist; a pool reporter.

1685–95; < French poule stakes, literally, hen. See pullet

pooler, noun

4. corner, monopoly. 13. combine, merge, consolidate.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
pool1 (puːl)
1.  a small body of still water, usually fresh; small pond
2.  a small isolated collection of liquid spilt or poured on a surface; puddle: a pool of blood
3.  a deep part of a stream or river where the water runs very slowly
4.  an underground accumulation of oil or gas, usually forming a reservoir in porous sedimentary rock
5.  See swimming pool
[Old English pōl; related to Old Frisian pōl, German Pfuhl]

pool2 (puːl)
1.  any communal combination of resources, funds, etc: a typing pool
2.  the combined stakes of the betters in many gambling sports or games; kitty
3.  commerce a group of producers who conspire to establish and maintain output levels and high prices, each member of the group being allocated a maximum quota; price ring
4.  chiefly (US) finance
 a.  a joint fund organized by security-holders for speculative or manipulative purposes on financial markets
 b.  the persons or parties involved in such a combination
5.  any of various billiard games in which the object is to pot all the balls with the cue ball, esp that played with 15 coloured and numbered balls; pocket billiards
6.  to combine (investments, money, interests, etc) into a common fund, as for a joint enterprise
7.  commerce to organize a pool of (enterprises)
8.  informal (Austral) to inform on or incriminate (someone)
[C17: from French poule, literally: hen used to signify stakes in a card game, from Medieval Latin pulla hen, from Latin pullus young animal]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

"small body of water," O.E. pol, from W.Gmc. *pol- (cf. O.Fris., M.L.G. pol, Du. poel, O.H.G. pfuol, Ger. Pfuhl). As a short form of swimming pool it is recorded from 1921.

"game similar to billiards," 1848, originally (1693) a card game played for collective stakes (a "pool"), from Fr. poule "stakes, booty, plunder," lit. "hen," from O.Fr. poule "hen, young fowl." Perhaps the original notion is from jeu de la poule, supposedly a game in which people threw things at a hen
and the player who hit it, won it, which speaks volumes about life in the Middle Ages. The connection of "hen" and "stakes" is also present in Sp. polla and Walloon paie. Meaning "collective stakes" first recorded 1869; sense of "common reservoir of resources" is from 1917. Meaning "group of persons who share duties or skills" is from 1928. The verb meaning "to make a common interest, put things into a pool" is 1872, from the noun.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

pool (pōōl)
A collection of blood in any region of the body due to dilation and retardation of the circulation in capillaries and veins.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Computing Dictionary

POOL definition

Parallel Object-Oriented Language.
A series of languages from Philips Research Labs.
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Bible Dictionary

Pool definition

a pond, or reservoir, for holding water (Heb. berekhah; modern Arabic, birket), an artificial cistern or tank. Mention is made of the pool of Gibeon (2 Sam. 2:13); the pool of Hebron (4:12); the upper pool at Jerusalem (2 Kings 18:17; 20:20); the pool of Samaria (1 Kings 22:38); the king's pool (Neh. 2:14); the pool of Siloah (Neh. 3:15; Eccles. 2:6); the fishpools of Heshbon (Cant. 7:4); the "lower pool," and the "old pool" (Isa. 22:9,11). The "pool of Bethesda" (John 5:2,4, 7) and the "pool of Siloam" (John 9:7, 11) are also mentioned. Isaiah (35:7) says, "The parched ground shall become a pool." This is rendered in the Revised Version "glowing sand," etc. (marg., "the mirage," etc.). The Arabs call the mirage "serab," plainly the same as the Hebrew word _sarab_, here rendered "parched ground." "The mirage shall become a pool", i.e., the mock-lake of the burning desert shall become a real lake, "the pledge of refreshment and joy." The "pools" spoken of in Isa. 14:23 are the marshes caused by the ruin of the canals of the Euphrates in the neighbourhood of Babylon. The cisterns or pools of the Holy City are for the most part excavations beneath the surface. Such are the vast cisterns in the temple hill that have recently been discovered by the engineers of the Palestine Exploration Fund. These underground caverns are about thirty-five in number, and are capable of storing about ten million gallons of water. They are connected with one another by passages and tunnels.

Easton's 1897 Bible Dictionary
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Example sentences
Combine your errands, car pool to work, or take public transportation to reduce
  both your energy and water use.
Normally, when you pour a liquid into a pool of another liquid, the stream
  plunges right in.
There should be a pool of money always available for the merit pay system.
One in four does not realize that a response is required to enter an inquiry
Images for pool
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