Glossary entry

genus n.
genera pl.

(1) The rank within the genus group next below the family group and above subgenus.
(2) A taxon at the rank of genus.

Source:
International Commission on Zoological Nomenclature (1999) International Code of Zoological Nomenclature. Fourth Edition. - International Trust for Zoological Nomenclature, XXIX + 306 pp.