nounBotany & Zoology
1A scientific name in which the same word is used for both genus and species, for example Vulpes vulpes (the red fox).
- In an attempt to gain acceptance for the use of duplicate binomials, MacMillan proposed the tautonym A. apios.
- Bird names in which the genus and species are identical except for capitalisation are apparently called tautonyms.
- There are 82 species of birds whose scientific names are tautonyms - that is, birds for which the two parts of the scientific name are the same.
1.1 Linguistics A word that designates different objects or concepts in different dialects (e.g., corn is wheat in England and oats in Scotland).
- The name spinner both in Polish and in all its dialects occurs among numerous tautonyms or synonyms present in Polish or other Slavonic languages.
- Example sentences
- Instead we should look to Speusippus' analysis of tautonymy and heteronymy and bypass eponymy altogether.
- Castor fiber Linnaeus, 1758 is therefore the type species of Castor by Linnaean tautonymy.
- The type of Amphidesma must, by tautonymy, be regarded as A. donailla.
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