1 [tak-sis]
noun, plural taxes [tak-seez] .
arrangement or order, as in one of the physical sciences.
Biology. oriented movement of a motile organism in response to an external stimulus, as toward or away from light.
Surgery. the replacing of a displaced part, or the reducing of a hernia or the like, by manipulation without cutting.
Architecture. the adaptation to the purposes of a building of its various parts.

1720–30; < Neo-Latin < Greek táxis, equivalent to tak- (base of tássein to arrange, put in order) + -sis -sis Unabridged


2 [tak-seez] .
a plural of taxi.


a combining form representing taxis1, in compound words: heterotaxis.
Compare tax-, taxi-, taxo-, -taxy.


noun, plural taxis or taxies.
verb (used without object), taxied, taxiing or taxying.
to ride or travel in a taxicab.
(of an airplane) to move over the surface of the ground or water under its own power.
verb (used with object), taxied, taxiing or taxying.
to cause (an airplane) to taxi.

1905–10, Americanism; short for taxicab

untaxied, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
taxi (ˈtæksɪ)
n , pl taxis, taxies
1.  cab, Also called: taxicab a car, usually fitted with a taximeter, that may be hired, along with its driver, to carry passengers to any specified destination
vb , taxis, taxies, taxies, taxiing, taxying, taxied
2.  to cause (an aircraft) to move along the ground under its own power, esp before takeoff and after landing, or (of an aircraft) to move along the ground in this way
3.  (intr) to travel in a taxi
[C20: shortened from taximeter cab]

taxis (ˈtæksɪs)
1.  the movement of a cell or organism in a particular direction in response to an external stimulus
2.  surgery the repositioning of a displaced organ or part by manual manipulation only
[C18: via New Latin from Greek: arrangement, from tassein to place in order]

-taxis or -taxy
n combining form
1.  indicating movement towards or away from a specified stimulus: thermotaxis
2.  order or arrangement: phyllotaxis
[from New Latin, from Greek taxis order]
-taxy or -taxy
n combining form
[from New Latin, from Greek taxis order]
-tactic or -taxy
adj combining form
-taxic or -taxy
adj combining form

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

1907, shortening of taximeter cab (introduced in London in March 1907), from taximeter "automatic meter to record the distance and fare" (1898), from Fr. taximètre, from Ger. Taxameter (1890), coined from M.L. taxa "tax, charge." An earlier Eng. form was taxameter (1894), used in horse-drawn cabs.
The verb is first recorded 1911, from earlier noun use as slang for "aircraft." Taxicab is also first attested 1907. Taxi dancer "woman whose services may be hired at a dance hall" is recorded from 1930. Taxi squad in U.S. football is 1966, from a former Cleveland Browns owner who gave his reserves jobs with his taxicab company to keep them paid and available ["Dictionary of American Slang"], but other explanations (short-term hire or shuttling back and forth from the main team) seem possible.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

taxis tax·is (tāk'sĭs)
n. pl. tax·es (tāk'sēz)

  1. The responsive movement of a free-moving organism or cell toward or away from an external stimulus, such as light.

  2. The moving of a body part by manipulation into normal position, as after a dislocation.

-taxis suff.

  1. Order; arrangement: stereotaxis.

  2. Responsive movement; taxis: chemotaxis.

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

Taxis definition

["A Language Facility for Designing Database-Intensive Applications", J. Mylopoulos et al, ACM Trans Database Sys 5(2):185-207 (June 1980)].

The Free On-line Dictionary of Computing, © Denis Howe 2010
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American Heritage
Abbreviations & Acronyms
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Taxis weren't operating at all because the drivers had called a strike before
  the convention began.
He tries to mix things up, hopping into a store and switching between taxis and
  the city's rundown tramway.
Lots of city buses and trains will mean fewer people driving around in cars and
  taxis that cause pollution.
Communal taxis ply the countryside, and major car-rental agencies have
  operations in the larger cities.
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