(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
crossbreed (n.)
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: cross , hybridize , hybridise , interbreed ]