Part of speech: Noun
(genetics) an organism that is the offspring of genetically dissimilar parents or stock
Example: 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
Part of speech: Verb
breed animals or plants using parents of different races and varieties
Example: cross a horse and a donkey; Mendel tried crossbreeding; these species do not interbreed