genus
ge.nus \'je--n*s\ \'jen-*-r*\ n or gen.era [L gener-, genus birth, race, kind - more at KIN] pl 1: a class, kind, or group marked by common characteristics or by one commo n characteristic; specif : a category of biological classification ranking between the family and the species, comprising structurally or phylogenetically related species or an isolated species exhibiting unusual differentiation, and being designated by a Latin or latinized capitalized singular noun 2: a class of objects divided into several subordinate species
Webster's English Dictionary