cross
noun
1.
a wooden structure consisting of an upright post with a transverse piece
2.
3.
4.
(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
Derived from:
cross 5.
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
Derived from:
cross