taut·​o·​nym | \ ˈtȯ-tə-ˌnim How to pronounce tautonym (audio) \

Definition of tautonym

: a taxonomic binomial in which the generic name and specific epithet are alike and which is common in zoology especially to designate a typical form but is forbidden to botany under the International Code of Botanical Nomenclature

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Other Words from tautonym

tautonymy \ tȯ-​ˈtä-​nə-​mē How to pronounce tautonymy (audio) \ noun

Examples of tautonym in a Sentence

Recent Examples on the Web

Others have what's called a tautonym, a name in which the same word is used for both species and genus. National Geographic, "It's Almost Tax Day: Here's How Nature Files Its Taxas," 9 Apr. 2016

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

First Known Use of tautonym

1899, in the meaning defined above

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Time Traveler for tautonym

The first known use of tautonym was in 1899

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Rhyming Dictionary: Words that rhyme with tautonym

Comments on tautonym

What made you want to look up tautonym? Please tell us where you read or heard it (including the quote, if possible).


formidable, illustrious, or eminent

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