Meaning of the word trilateral in English

What does trilateral mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

trilateral

US /ˌtraɪˈlæt̬.ɚ.əl/
UK /ˌtraɪˈlæt.ər.əl/

Adjective

involving three groups or countries:

Example:
A trilateral summit meeting was planned for the following month.