'Crossbreed' definitions:

Definition of 'crossbreed'

From: WordNet
noun
(genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species; "a mule is a cross between a horse and a donkey" [syn: hybrid, crossbreed, cross]
verb
Breed animals or plants using parents of different races and varieties; "cross a horse and a donkey"; "Mendel tried crossbreeding"; "these species do not interbreed" [syn: crossbreed, cross, hybridize, hybridise, interbreed]

Definition of 'Crossbreed'

From: GCIDE
  • Crossbreed \Cross"breed`\ (-br[=e]d`), n.
  • 1. A breed or an animal produced from parents of different breeds; a new variety, as of plants, combining the qualities of two parent varieties or stocks. [1913 Webster]
  • 2. Anything partaking of the natures of two different things; a hybrid. [1913 Webster]