tri·​lat·​er·​al | \ (ˌ)trī-ˈla-tə-rəl , -ˈla-trəl\

Definition of trilateral

: having three sides or parties trilateral business ventures trilateral discussions

Examples of trilateral in a Sentence

Recent Examples on the Web

Seoul and Tokyo’s bitter disputes over history have complicated Washington’s efforts to strengthen trilateral cooperation to deal with North Korea’s nuclear threat and China’s growing influence in the region. Kim Tong-hyung, The Seattle Times, "Seoul says it will close Japan-funded sex slavery foundation," 21 Nov. 2018 As a result, the administration plans to publish as soon as Friday the draft of a Mexico-only deal that would replace the quarter-century-old trilateral bloc. Jacob M. Schlesinger, WSJ, "Nafta Isn’t Dead Yet, Despite Missed Deadline," 28 Sep. 2018 Israel now holds annual trilateral summits with Greece and Cyprus, which have become its geographical conduits to the West. Aron Heller, The Seattle Times, "Natural gas fields give Israel a regional political boost," 23 Jan. 2019 The latest uptick of Syria and Russian airstrikes resumed with intensity over the weekend, following failed ceasefire negotiations between Russia, Iran and Turkey at a trilateral summit in Tehran. Hollie Mckay, Fox News, "Syrians in Idlib brace for chemical weapons attack, ground invasion by Assad forces," 10 Sep. 2018 So, the- Chuck Todd: Wait a minute, trilateral commission?! Eric Johnson, Recode, "Full Q&A: NBC journalists Chuck Todd, Andrea Mitchell and Hallie Jackson on Recode Decode," 5 Dec. 2018 Recep Tayyip Erdogan made the comments Friday at a trilateral meeting between Iran, Russia and Turkey in Tehran. Fox News, "The Latest: Iran, Russia, Turkey presidents meet in summit," 7 Sep. 2018 Seoul also wants a trilateral summit between the countries, or a four-nation meeting that also includes Beijing, to declare a formal end to the 1950-53 Korean War. Kim Tong-hyung, The Seattle Times, "South Korean envoys leave for North Korea to set up summit," 4 Sep. 2018 Merkel instead is pushing for bilateral and trilateral deals to cope with short-term migration pressures. Fox News, "EU leaders back Africa, Balkans migrant reception centers," 24 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trilateral.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of trilateral

1660, in the meaning defined above

History and Etymology for trilateral

Latin trilaterus, from tri- + later-, latus side

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Last Updated

11 Feb 2019

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Time Traveler for trilateral

The first known use of trilateral was in 1660

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English Language Learners Definition of trilateral

: involving three groups or countries

More from Merriam-Webster on trilateral

Britannica English: Translation of trilateral for Arabic Speakers

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to deny responsibility for

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