Crossbreeding - Definition
crossbreeding
n 1: (genetics) the act of mixing different species or varieties
of animals or plants and thus to produce hybrids [syn:
hybridization, hybridisation, crossbreeding,
crossing, cross, interbreeding, hybridizing]
2: reproduction by parents of different races (especially by
white and non-white persons) [syn: miscegenation,
crossbreeding, interbreeding]