Trilateral is something having three sides or perspectives and may refer to: *

Triangle A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called ''vertices'', are zero-dimensional points while the sides connecting them, also called ''edges'', are one-dimension ...

, a geometric figure with three sides and three vertices. The synonym ''trilateral'' emphasizes a definition in terms of sides rather than vertices. *The Trilateral Ankara cooperation process, a process in Pakistani–Turkish or Afghan–Turkish relations * Trilateral Commission, a private organization, established to foster closer cooperation among the United States, Europe and Japan. * Trilateral Patent Offices, the European Patent Office (EPO), the Japan Patent Office (JPO) and the United States Patent and Trademark Office (USPTO). * Trilateral Progression, the fourth album by Neuraxis. *Trilateral symmetry, a three-fold form of

rotational symmetry Rotational symmetry, also known as radial symmetry in geometry, is the property a shape (geometry), shape has when it looks the same after some rotation (mathematics), rotation by a partial turn (angle), turn. An object's degree of rotational s ...

. * Retinoblastoma is said to be trilateral if it occurs in both eyes and also in the pineal gland. * North American Leaders' Summit, or Trilateral Summit, between Canada, Mexico, and the United States * ''Trilateral'' (album)

See also