Definition of "binomen"

binomen

noun
plural binomina
1. A name having two parts.
2. (taxonomy) A scientific name at the rank of species, with two terms: a generic name and a specific name.
  Quotations
  Each type species is cited in its original binomen (Recommendation 67B of the Code, ICZN 1999α), and if that name is a synonym then it is followed by the valid name of the species in parentheses.
  2020 March 5, James E. O'Hara et al., Preliminary Checklist of the Tachinidae (Diptera) of the World