Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{biology|informal}} A binomial name consisting of the same word twice, such as ''Bison bison''.Ngram: tautonymNgram Text: tautonymSource: WiktionaryIssue: 0Wiktionary tag: biologyNgram Count: 1