homosocial 
adjective
Relating to social interaction between members of the same sex, typically men.In this period, children have a social organization that is homosocial; that is, the social division of males and females into separate groups....
- But I also reject the idea that women should have to model their homosocial relationships on men's, and I can't think of anything that could replace the idea of the sisterhood.
- Whereas the homosocial exchange occurs between two or more men, often over the body or idea of a woman, the homosexual exchange eliminates the woman altogether.