Binomal nomenclature means
a scientific name given to an organism by two scientists
naming of an organism scientifically by using two epithets either in latin or latinised form of other language.
scientific name of an organism with the first word denoting the name of the plant and second one the scientist who discovered it.
a name which indicates the first word as latin epithet and the second one local name of the organism
Scientifically naming the organisms in Latin by using two epithets. The first epithet is generic and second epithet is species name.