intercross

• POS: Noun, Verb (usu participle)
• HYPHEN: in=ter=cross

CIDE DICTIONARY

intercross, v. t. & i. 

•  To cross each other, as lines.  [1913 Webster]
•  To fertilize by the impregnation of one species or variety by another; to impregnate by a different species or variety.  [1913 Webster]

intercross, n. 

 The process or result of cross fertilization between different kinds of animals, or different varieties of plants.  [1913 Webster]
"We have reason to believe that occasional intercrosses take place with all animals and plants."  [1913 Webster]

OXFORD DICTIONARY

intercross, v.
1 tr. & intr. lay or lie across each other.
2 a intr. (of animals) breed with each other. b tr. cause to do this.