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Related to trilateral: quadrisect


Having or involving three sides, countries, or parties.

[From Latin trilaterus : tri-, tri- + latus, later-, side.]

tri·lat′er·al·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


having three sides
triˈlaterally adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(traɪˈlæt ər əl)

having three sides.
[1650–60; < Latin trilater(us) three-sided + -al1. See tri-, lateral]
tri•lat′er•al•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trilateral - a three-sided polygontrilateral - a three-sided polygon    
polygon, polygonal shape - a closed plane figure bounded by straight sides
acute triangle, acute-angled triangle - a triangle whose interior angles are all acute
equiangular triangle, equilateral triangle - a three-sided regular polygon
isosceles triangle - a triangle with two equal sides
oblique triangle - a triangle that contains no right angle
obtuse triangle, obtuse-angled triangle - a triangle that contains an obtuse interior angle
right triangle, right-angled triangle - a triangle with one right angle
scalene triangle - a triangle with no two sides of equal length
cuneus, wedge, wedge shape - any shape that is triangular in cross section
Adj.1.trilateral - involving three parties; "trilateral talks"
reciprocal, mutual - concerning each of two or more persons or things; especially given or done in return; "reciprocal aid"; "reciprocal trade"; "mutual respect"; "reciprocal privileges at other clubs"
2.trilateral - having three sidestrilateral - having three sides; "a trilateral figure"
many-sided, multilateral - having many parts or sides
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈtraɪˈlætərəl] ADJtrilátero
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


adjdreiseitig; conference, agreement alsotrilateral
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˌtraɪˈlætrl] adjtrilaterale
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Summary: TEHRAN (FNA)- Tajik President Emomali Rahmon is due to arrive in Tehran on Thursday to attend a trilateral summit of the Iranian, Tajik and Afghan heads of state.
President Lee Myung-bak, Japanese Prime Minister Yukio Hatoyama and Chinese Prime Minister Wen Jiabao met in Jeju Island from May 29 to 30 for the third trilateral summit, following the December 2008 Fukuoka Summit and the October 2009 Beijing Summit.
The second round of negotiations between Iran, Russia and Qatar will be held on November 12 in Duha to expand the trilateral cooperation in gas sector, Reza Kasaizade said in an interview with MNA.
World history, says Icke, is the record of one long conspiracy, in which the Anunnaki have ruled for millennia through pharaohs, kings, emperors, Christianity, the Illuminati, the Council on Foreign Relations, the Trilateral Commission, and the Bilderberg Group.
TRILATERAL TALKS FACE DAUNTING TASK (The Daily Yomiuri as translated from the Yomiuri Shimbun)
A trilateral meeting between Colonel General Zakir Hasanov, Minister of Defense of the Republic of Azerbaijan, Hulusi Akar, Minister of National Defense of the Republic of Turkey and Levan Izoria, Minister of Defense of Georgia will be held in Gabala, Azerbaijan on June 12,Trendreports referring to the press service of the Ministry of Defense of Azerbaijan.
President Nicos Anastasiades will participate in the trilateral meeting between Cyprus, Greece, and Jordan on Sunday, the president's office said on Saturday.
A trilateral summit of Cyprus, Greece and Jordan is expected to take place in mid-April while other efforts for similar regional alliances are at an advanced stage.
Summary: Beijing [China], June 18 (ANI): Ministry of External Affairs (MEA) spokesperson Raveesh Kumar refuted the statement made by Chinese Ambassador to India Luo Zhaohui, suggesting an India-Pakistan-China trilateral summit.
Xi tells Modi Pakistan is ready to resume talks with India Chinese envoy in Delhi floats idea of trilateral dialogue ISLAMABAD:China has conveyed India a message of peace from Islamabad and urged Indian Prime Minister Narendra Modi to initiate a dialogue with Pakistan to help reduce tensions between the two nuclear-capable nations.
BEIJING -- Foreign Minister Khawaja Mohammad Asif has arrived in Beijing, China to attend Trilateral China-Afghanistan-Pakistan Foreign Minister's Dialogue.