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tri·​an·​gu·​late trī-ˈaŋ-gyə-ˌlāt How to pronounce triangulate (audio)
triangulated; triangulating

transitive verb

: to survey, map, or determine by triangulation
: to divide into triangles
: to give triangular form to


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tri·​an·​gu·​late trī-ˈaŋ-gyə-lət How to pronounce triangulate (audio)
: consisting of or marked with triangles

Examples of triangulate in a Sentence

Recent Examples on the Web
By triangulating from the directional bearings of the radio messages received at Howland, Baker, Hawaii, Midway and Wake, the U.S. Navy soon focused on the area around Gardner Island, now known as Nikumaroro, a small uninhabited island roughly 350 nautical miles southeast of Howland. David R. Cameron, Hartford Courant, 31 Jan. 2024 Fire crews used a drone to triangulate the location of the teens at around 11:25 p.m. before finally getting them on a boat and safely out of the creek at around 12:30 a.m. Nicole Lopez, Fort Worth Star-Telegram, 5 June 2024
Astronomers suspected some of these signals are likely caused by flares streaming off magnetars many billions of light-years away, but the telescopes can't quite triangulate where the signals are coming from. Eric Betz, Discover Magazine, 21 Jan. 2021 In the past, ecologists would take radio receivers into the field to painstakingly triangulate tigers’ locations once or twice a day in natural landscapes. Neil Carter, The Conversation, 23 Apr. 2021 See all Example Sentences for triangulate 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'triangulate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



Medieval Latin triangulatus, past participle of triangulare to make triangles, from Latin triangulum

First Known Use


1833, in the meaning defined at sense 1


1766, in the meaning defined above

Time Traveler
The first known use of triangulate was in 1766

Dictionary Entries Near triangulate

Cite this Entry

“Triangulate.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2024.

Last Updated: - Updated example sentences
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