To produce hybrid offspring; to interbreed; to cross. a process
by which two species cross breed and create a new species. to
"mix" two different plant or animal species, producing
genetically different offspring. 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" the process of cross-mating between two or more
different species. To breed with a member of a different
species. Often the offspring of such a union, called a hybrid,
is infertile. To cross between two species.