noun Zoology, Botany.
- a system of nomenclature in which each species is given a unique name that consists of a generic and a specific term.
- a system for naming plants and animals by means of two Latin names: the first indicating the genus and the second the species to which the organism belongs, as in Panthera leo (the lion)
- The scientific naming of species whereby each species receives a Latin or Latinized name of two parts, the first indicating the genus and the second being the specific name.
- The scientific system of naming an organism using two terms, the first being the genus and the second the species. The terms are usually Greek or Latin. For example, the scientific name of the narrow-leaf firethorn is Pyracantha angustifolia, where the genus is Greek for fire thorn and the species is Latin for having narrow leaves.