: a region whose limits are naturally defined by topographic and biological features (such as mountain ranges and ecosystems)
bioregional adjective

Examples of bioregion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These expeditions are designed to educate attendees about the rich cultural tapestry of San Diego and its unique bioregion. Nasha Smith, Forbes, 26 Oct. 2024 Perhaps this is the season to learn which plants are indigenous to your bioregion and create a moon garden that is part of a larger ecosystem, one that can be a source of sustenance for local birds, insects, and other wildlife. Kristin Guy, Sunset Magazine, 21 Dec. 2023

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of bioregion was in 1945

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Cite this Entry

“Bioregion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioregion. Accessed 18 Mar. 2025.

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