1. of or relating to a region of considerable extent; not merely local: a regional meeting of the Boy Scouts.
  2. of or relating to a particular region, district, area, or part, as of a country; sectional; local: regional differences in pronunciation.
  3. Medicine/Medical, Anatomy. pertaining to, affecting, or localized in a particular area or part of the body: regional anesthesia.
  4. having, exhibiting, or characterized by regionalism: He writes regional novels.
  1. Often regionals. a regional competition or tournament: The basketball team won the regionals.
  2. a regional company, branch, stock exchange, etc.: Regionals are getting stiff competition from the national firms.

Origin of regional

From the Latin word regiōnālis, dating back to 1645–55. See region, -al1
Related formsre·gion·al·ly, adverbin·ter·re·gion·al, adjectivein·ter·re·gion·al·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for inter-regional

Historical Examples of inter-regional

  • But this inter-regional transport of cereals is a small thing in comparison with the transport of cattle.

British Dictionary definitions for inter-regional


  1. of, characteristic of, or limited to a regionthe regional dialects of English
Derived Formsregionally, adverb
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

Word Origin and History for inter-regional



early 15c., from Late Latin regionalis "of or belonging to a region or province," from stem of regio (see region). Related: Regionally.

Online Etymology Dictionary, © 2010 Douglas Harper

inter-regional in Medicine


  1. Of or affecting a region of the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.