Meaning of TRILATERAL in English

TRILATERAL

I. “+ adjective

Etymology: Latin trilater us (from tri- + later-, latus side) + English -al — more at lateral

1. : having three physical or material sides

a trilateral figure

2. : involving three interests often to the disadvantage of other interested parties

a trilateral agreement

trilateral oligopoly in the market place — G.L.Bach

• tri·laterality (|)trī+ noun

• tri·laterally (ˈ)trī+ adverb

II. noun

: a figure having three sides : triangle

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.