- a scientific name in which the generic and the specific names are the same, as Chloris chloris (the greenfinch).
Origin of tautonym
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- biology a taxonomic name in which the generic and specific components are the same, as in Rattus rattus (black rat)
Word Origin for tautonym
C20: from Greek tautonymos. See tauto-, -onym
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012