Definition of genus noun from the Oxford Advanced Learner's Dictionary

 

genus

 noun
noun
BrE BrE//ˈdʒiːnəs//
 
; NAmE NAmE//ˈdʒiːnəs//
 
(pl. genera
BrE BrE//ˈdʒenərə//
 
; NAmE NAmE//ˈdʒenərə//
 
)
(biology) Groups of animals
 
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a group into which animals, plants, etc. that have similar characteristics are divided, smaller than a family and larger than a species compare class, kingdom, order, phylum Wordfinderbreed, class, classification, genus, hybrid, kingdom, order, phylum, species, taxonomy see also generic See related entries: Groups of animals Word Origin mid 16th cent.: from Latin, ‘birth, race, stock’.
See the Oxford Advanced American Dictionary entry: genus