MULTILATERAL

multilateral, many-sided

(adjective) having many parts or sides

Source: WordNet® 3.1

Etymology

Adjective

multilateral (not comparable)

Having many sides or points of view.

(politics) Involving three or more parties or nations.

Noun

multilateral (plural multilaterals)

(politics) A group with representatives from three or more parties or nations.

Source: Wiktionary

Mul`ti*lat"er*al, a. Etym: [Multi- + lateral.]

Definition: Having many sides; many-sided.

Source: Webster’s Unabridged Dictionary 1913 Edition