trilateral

About 0.22 uses per million words.

Meaning

1. adjective Having three sides
2. adjective Involving three parties

   The trilateral peace conference, between the red faction, blue faction and white faction, went nowhere.

Similar words

tripartite three-way triangular many-sided trigon triangle multilateral three-party three-sided trio

Often followed by

commission agreement cooperation countries negotiations relationship talks retinoblastoma coordination relations