[ ree-juhn ]
See synonyms for region on
  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.

  1. a part of the earth's surface (land or sea) of considerable and usually indefinite extent: a tropical region.

  2. a district without respect to boundaries or extent: a charming region in Connecticut.

  3. a part or division of the universe, as the heavens: a galactic region.

  4. a large indefinite area or range of something specified; sphere: a region of authority.

  5. an area of interest, activity, pursuit, etc.; field: studies in the region of logic.

  6. an administrative division of a city or territory.

  7. Zoogeography. a major faunal area of the earth's surface, sometimes one regarded as a division of a larger area.

  8. Anatomy. a place in or a division of the body or a part of the body: the abdominal region.

  9. Mathematics.

    • Also called domain. an open connected set.

    • the union of such a set and some or all of its boundary points.

Origin of region

First recorded in 1300–50; Middle English, from Anglo-French regiun, from Latin regiōn-, stem of regiō “direction, line, boundary,” from reg(ere) “to make straight, guide, rule” + -iō -ion

Other words for region

Other words from region

  • un·der·re·gion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use region in a sentence

British Dictionary definitions for region


/ (ˈriːdʒən) /

  1. any large, indefinite, and continuous part of a surface or space

  2. an area considered as a unit for geographical, functional, social, or cultural reasons

  1. an administrative division of a country: Tuscany is one of the regions of the Italian Republic

  2. a realm or sphere of activity or interest

  3. range, area, or scope: in what region is the price likely to be?

  4. a division or part of the boday: the lumbar region

  5. (in Scotland from 1975 until 1996) any of the nine territorial divisions into which the mainland of Scotland was divided for purposes of local government; replaced in 1996 by council areas: See also islands council

Origin of region

C14: from Latin regiō, from regere to govern

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with region


see in the neighborhood (region) of.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.