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subregion

American

[suhb-ree-juhn] / ˈsʌbˌri dʒən /

noun

a division or subdivision of a region, especially a division of a zoogeographical region.

subregion British

/ sʌbˈriːdʒən /

noun

a subdivision of a region, esp a zoogeographical or ecological region

"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 Word Forms

subregional adjective

Etymology

Origin of subregion

First recorded in 1860–65; sub- + region

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The rock band, which was formed in a subregion of the San Francisco Bay Area, will perform starting at 3 p.m.

From Los Angeles Times • Feb. 4, 2026

"For years, Nigeria has supported peace and security of several countries not only in the West African subregion but also on the African continent," the regional bloc said in a statement shared on Thursday.

From BBC • Dec. 27, 2024

The electrical signals, lasting on average 120 milliseconds, were then found to move down and across the folds of the precentral gyrus to a neighboring auditory cortical subregion, called the superior temporal gyrus.

From Science Daily • Dec. 3, 2024

“It is the most challenging issue facing the subregion since its inception,” said Ndiaye.

From Seattle Times • Jan. 29, 2024

All the twenty Orders of the Neotropical Avifauna have representatives within its boundaries, except the Opisthocomi or Hoatzins, which are restricted to the Amazonian subregion.

From Argentine Ornithology, Volume I (of 2) A descriptive catalogue of the birds of the Argentine Republic. by Hudson, W. H. (William Henry)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023