bipartite

a. [ L. bipartitus, p. p. of bipartire; bis twice + partire. See Partite. ] 1. Being in two parts; having two correspondent parts, as a legal contract or writing, one for each party; shared by two; as, a bipartite treaty. [ 1913 Webster ]

2. Divided into two parts almost to the base, as a leaf; consisting of two parts or subdivisions. Gray. [ 1913 Webster ]