'Subgenus' definitions:
Definition of 'subgenus'
From: WordNet
noun
(biology) taxonomic group between a genus and a species
Definition of 'Subgenus'
From: GCIDE
- Subgenus \Sub*ge"nus\, n.; pl. Subgenera. (Biol.) A subdivision of a genus, comprising one or more species which differ from other species of the genus in some important character or characters; as, the azaleas now constitute a subgenus of Rhododendron. [1913 Webster]