trilateral
adjUS /ˌtrɪˈlæ.təɹ.əl/
Etymology Borrowed from New Latin trilaterālis or from tri- + lateral.
1
Having three sides
2
Involving three parties
- The trilateral peace conference, between the red faction, blue faction and white faction, went nowhere.
- Meanwhile, a trilateral agreement has been signed with the French and Irish governments committing the nations to keeping freight routes open throughout the pandemic.2020 May 6, “Network News: Shapps: Network Rail puts spare capacity to use”, in Rail, page 15:
1 more example
- Hours later, answering journalists’ questions via a WhatsApp chat, Mr. Zelenskyy said the Trump administration had floated a trilateral meeting in Miami involving the U.S., Ukraine, and Russia.2025 December 20, The Associated Press, “Russia strikes Ukrainian port as peace negotiations continue in US”, in The Christian Science Monitor:
- Derived terms
- trilateralize, trilaterally, trilateralness
- Related terms
- trilateralization