tax·​on | \ˈtak-ˌsän \
plural taxa\ˈtak-​sə \ also taxons

Definition of taxon 

1 : a taxonomic group or entity

2 : the name applied to a taxonomic group in a formal system of nomenclature

Examples of taxon in a Sentence

Recent Examples on the Web

And depending on your view of mammalian evolution, the first taxon to develop diurnality was either the most common recent ancestor of all apes and monkeys or the most common recent ancestor of all… elephant shrews. Diana Gitig, Ars Technica, "Dinosaurs kept mammals in the dark," 10 Nov. 2017 The rules for naming a new animal taxon are governed by the ICZN, while the International Association for Plant Taxonomy (IAPT) governs plants. Benjamin Jones, Smithsonian, "A Few Bad Scientists Are Threatening to Topple Taxonomy," 7 Sep. 2017 Global patterns and predictors of marine biodiversity across taxa. Jess Mcnally, WIRED, "Warming of Oceans Will Reduce and Rearrange Marine Life," 28 July 2010

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'taxon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of taxon

1929, in the meaning defined at sense 1

History and Etymology for taxon

New Latin, from International Scientific Vocabulary taxonomy

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Time Traveler for taxon

The first known use of taxon was in 1929

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tax·​on | \ˈtak-ˌsän \
plural taxa\-​sə \ also taxons

Medical Definition of taxon 

1 : a taxonomic group or entity

2 : the name applied to a taxonomic group in a formal system of nomenclature

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More from Merriam-Webster on taxon

Rhyming Dictionary: Words that rhyme with taxon

Britannica English: Translation of taxon for Arabic Speakers Encyclopedia article about taxon

Comments on taxon

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living or existing for a long time

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