adj.
Of or belonging to a recognized strain established by breeding individuals of unmixed lineage over many generations.
n. (pyʊr'brĕd')
A purebred animal.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.