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regions

 - 5 dictionary results

re⋅gion

  [ree-juhn]
Use regions in a Sentence
–noun
1. an extensive, continuous part of a surface, space, or body: a region of the earth.
2. Usually, regions. the vast or indefinite entirety of a space or area, or something compared to one: the regions of the firmament; the regions of the mind.
3. a part of the earth's surface (land or sea) of considerable and usually indefinite extent: a tropical region.
4. a district without respect to boundaries or extent: a charming region in Connecticut.
5. a part or division of the universe, as the heavens: a galactic region.
6. a large indefinite area or range of something specified; sphere: a region of authority.
7. an area of interest, activity, pursuit, etc.; field: studies in the region of logic.
8. an administrative division of a city or territory.
9. Zoogeography. a major faunal area of the earth's surface, sometimes one regarded as a division of a larger area.
10. Anatomy. a place in or a division of the body or a part of the body: the abdominal region.
11. Mathematics.
a. Also called domain. an open connected set.
b. the union of such a set and some or all of its boundary points.
Origin:
1300–50; ME < AF regiun < L regiōn- (s. of regiō) direction, line, boundary, equiv. to reg(ere) to rule + -iōn- -ion

Synonyms:
1. area, section, portion. 4. locale, site, tract, quarter.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To regions
re·gion   (rē'jən)   
n.  

  1. A large, usually continuous segment of a surface or space; area.

  2. A large, indefinite portion of the earth's surface.

  3. A specified district or territory.

  4. An area of interest or activity; a sphere.

  5. Ecology A part of the earth characterized by distinctive animal or plant life.

  6. An area of the body having natural or arbitrarily assigned boundaries: the abdominal region.


[Middle English, from Old French, from Latin regiō, regiōn-, from regere, to rule; see reg- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

region 
c.1330, from Anglo-Fr. regioun, O.Fr. region, from L. regionem (nom. regio) "direction, boundary, district, country," from regere "to direct, rule" (see regal).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: re·gion
Pronunciation: 'rE-j&n
Function: noun
1 : any of the major subdivisions into which the body or one of its parts isdivisible regions of the abdomen>
2 : an indefinite area surrounding a specified body part region of the heart>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

region re·gion (rē'jən)
n.

  1. An area of the body having natural or arbitrary boundaries.

  2. A portion of the body having a special nervous or vascular supply.

  3. A part of an organ with a special function.

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