'Subspecies' definitions:

Definition of 'subspecies'

(from WordNet)
noun
(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species [syn: subspecies, race]

Definition of 'Subspecies'

From: GCIDE
  • Subspecies \Sub*spe"cies\, n. A group somewhat lessdistinct than speciesusually are, but based on characters more important than those which characterize ordinary varieties; often, a geographical variety or race. [1913 Webster]