bipartite
Definitions
Consisting of two parts or having two distinct components.
Involving or shared by two parties, typically political groups.
In graph theory, a graph whose vertices can be divided into two disjoint sets such that every edge connects a vertex in one set to one in the other.
Examples
The researchers modeled the social network as a bipartite graph connecting users to the groups they joined.
The peace treaty was the result of a bipartite agreement between the two warring nations.