Mating animals from genetically diverse groups (i.e., breeds) within a species.

mating of animals of different species or subspecies that produces mixed offspring.

Mating individuals of different breeds. Thus making a non showable rabbit.

a wizard's full guide to creating his own magical beasts, much like the Chimera, Manticore, etc

('kros-"brEd, -'brEd) — Combining two plants with different traits, with the aim of producing a new plant, with both traits. For instance, a plant with white flowers and small leaves and a plant with huge, bright green leaves and no flowers could be crossbred to produce a plant with white flowers and huge, green leaves.

reproduction by parents of different races (especially by white and non-white persons)