Tripartite
Tripartite , adjective
[Latin tripartitus; tri- (see Tri-) + partitus, past participle of partiri to part, to divide. See Part, v. i.]
1.
Divided into three parts; triparted; as, a tripartite leaf.
2.
Having three corresponding parts or copies; as, to make indentures tripartite. — A. Smith
3.
Made between three parties; as, a tripartite treaty.