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
tautonymyplay \tȯ-ˈtä-nə-mē\ noun
Recent Examples of tautonym from the Web
Others have what's called a tautonym, a name in which the same word is used for both species and genus.
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
Learn More about tautonym
Seen and Heard
What made you want to look up tautonym? Please tell us where you read or heard it (including the quote, if possible).