The Collaborative International Dictionary
Binominal
Binominal \Bi*nom"i*nal\, a. [See Binomial.] Of or pertaining to two names; binomial.
Wiktionary
binominal
a. 1 (context biology taxonomy English) consisting of two names 2 (context biology taxonomy English) pertaining to the noun binomen 3 (context biology taxonomy English) pertaining to the nomenclature system for the rank of species in biological taxonomy n. (context biology taxonomy English) a scientific name, at the rank of species, with two terms: a generic name and a specific name.