Definition of: genus

(jē′nəs) noun plural gen·e·ra (jen′ər·ə)
1. Biol. A class or category of plants and animals ranking next above the species and next below the family or subfamily. The genus and species names together constitute the scientific name of an organism, the genus name (capitalized) standing first; as Homo sapiens for the human species.
2. Logic A class of things divisible into two or more subordinate classes, or species.
3. A kind; class. [<L, race, kind]