Medical Dictionary
Main Entry:
sub·spe·cies Pronunciation:
's&b-"spE-shEz, -sEz Function:
noun : a subdivision of a species: as
a : acategory in biological classification that ranks immediately below a species and designates a population of a particular geographical region genetically distinguishable from other such populations ofthe same species and capable of interbreeding successfully with them where its range overlaps theirs
b : a named subdivision (as a race or variety) of a species —
sub·spe·cif·ic /"s&b-spi-'sif-ik/ adjective
[suhb-spee-sheez, suhb-spee-] 
ʃiz