tripartite tripartite /traɪˈpɑːrˌtaɪt/

adjective

1. Involving three parties or elements  ( three-party , tripartite , three-way )
   involving three parties or elements
    A tripartite treaty
   a tripartite treaty
    A tripartite division
   a tripartite division
    A three-way playoff
   a three-way playoff