triangle
Syllables: tri·an·gleUK/ˈtɹaɪəŋɡəl//ˈtɹaɪˌæŋɡəl/
triangle noun: a polygon with three sides and three angles.
Noun
triangle (plural triangles)
- A polygon with three sides and three angles.
- Meronyms: angle, side, cathetus, leg, hypotenuse; see also Thesaurus:polygon
- The wedge-shaped character was the triangle, the archaic Paleolithic sign of the vulva; the pubic triangle was at the end of the phallic stylus.1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 22
- A set square.
- A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
- A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
- A love triangle.
- One of the writers' most pleasing inventions was to treat the triangle love story as comedy.2009, Neil McDonald, Quadrant, November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104
- Synonyms:
- love triangle, menage à trois
- The structure of systems composed with three interrelated objects.
- A draughtsman's square in the form of a right-angled triangle.
- A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.
- I was flogged in 1840. To this day I feel a pain in the chest from the triangles.1851, Henry Mayhew, London Labour and the London Poor, published 1861
- But nothing is said as to what we are to do with the negro when we have cut him off from absolute dominion; we are not informed if we may spread him on the triangles as aforetime;1868, “The Week”, in The Nation, volume 6, number 149
- Any of various large papilionid butterflies of the genus Graphium.
- Synonyms:
- bluebottle
- A triangular formation of railway tracks, with a curve on at least one side.
- After turning on the triangle at Jeumont, we set off light engine back to Aulnoye.1961 March, ""Balmore"", “Driving and firing modern French steam locomotives”, in Trains Illustrated, page 147
- Synonyms:
- wye
Verb
triangle (third-person singular simple present triangles, present participle triangling, simple past and past participle triangled)
- To form or be included in a three-part interaction, e.g., a Karpman drama triangle, such as by being ganged up on by two people or being torn between conflicting demands from two sources.
Proper noun capitalized: Triangle
Triangle
- The area comprising the cities of Raleigh, Durham and Chapel Hill in North Carolina. Used with "the" except when attributive.
- I moved to the Triangle two years ago.
- Many Triangle residents enjoy iced tea.
- A town in Broome County, New York.
- A census-designated place in Prince William County, Virginia.
- A community in Newfoundland and Labrador, Canada, seemingly in Labrador.
- A hamlet in Hewelsfield and Brockweir parish, Forest of Dean district, Gloucestershire (OS grid ref SO5401).
- A suburb of Burntwood in Hammerwich parish, Lichfield district, Staffordshire (OS grid ref SK0507).
- A small village south-west of Sowerby Bridge, Calderdale borough, West Yorkshire (OS grid ref SE0422).
- A small town in Masvingo province, Zimbabwe.
- Ellipsis of Bermuda Triangle.
triangle meaning in Hindi, Tamil, Marathi and Urdu
triangle in Hindi
- polygon
- त्रिकोण trikoṇ, त्रिभुज tribhuj
triangle in Tamil
- polygon
- முக்கோணம் mukkōṇam
- percussion instrument
- முக்கோணம் mukkōṇam
triangle in Marathi
- त्रिकोण, त्रिकोणी, त्रिभुज
triangle in Urdu
- polygon
- مُثَلَّث musallas
More languagesFewer languages
- triangle in Bengali
- ত্রিভুজ tribhuj, ত্রিকোণ trikōn, তেকোনা tekōna
- triangle in Telugu
- త్రిభుజము tribhujamu, త్రికోణము trikōṇamu
- triangle in Malayalam
- ത്രികോണം, ത്രിഭുജം
- triangle in Kannada
- ತ್ರಿಕೋನ trikōna
- triangle in Punjabi
- ਤਿਕੋਣ, ਤਿਕੋਣੀ, ਤ੍ਰਿਕੋਣੀ
- triangle in Gujarati
- ત્રિકોણ trikoṇ
- triangle in Odia
- ତ୍ରିଭୁଜ, ତ୍ରିକୋଣ
- triangle in Sanskrit
- त्रिकोण trikoṇa
- triangle in Assamese
- ত্রিভুজ
- triangle in Nepali
- त्रिकोण, त्रिभुज
- triangle in Pashto
- درې څنډى dre cᶕnḍay, مثلث mosalas, تکون tekun
- triangle in Tagalog
- triyanggulo, tatsulok, tilasitha, batingting
- triangle in Arabic
- مُثَلَّث muṯallaṯ
- triangle in Malay
- segi tiga, segi telu, kerincing
- triangle in Indonesian
- segitiga
- triangle in Thai
- สามเหลี่ยม sǎam-lìiam
- triangle in Vietnamese
- tam giác, hình tam giác, kẻng tam giác, kẻng ba góc
- triangle in Myanmar
- တြိဂံ tri.gam
Examples of triangle in a sentence
- All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.
- The perpendicular height of a triangle is known as its altitude.
- There are several centers of a triangle such as its circumcenter, incenter, orthocenter and centroid.
Synonyms of triangle
- threeside
- love triangle
- menage à trois
- bluebottle
- wye
- △
- trigon
Forms of triangle
| Noun | |
|---|---|
| plural | triangles |
| Verb | |
| third-person singular present | triangles |
| present participle | triangling |
| past participle | triangled |
| past | triangled |
Origin of triangle
PIE word *tréyes From Middle English triangle, from Old French triangle, from Latin triangulum, noun use of adjective triangulus (“three-cornered, having three angles”), from trēs (“three”) + angulus (“corner, angle”), equivalent to tri- + -angle.
From triangle; in North Carolina from being a triangular region.
Words formed from triangle
- abracadabrangle
- acute-angled triangle
- acute triangle
- anal triangle
- anterior triangle
- anti-triangle
- Bermuda Triangle
- Bézier triangle
- Bir Tawil Triangle
- black triangle
- blue triangle
- body triangle
- Brocard triangle
- Calot's triangle
- Cape triangle
- carotid triangle
- circular triangle
- color triangle
- colour triangle
- combustion triangle
- cyclic triangle
- cystohepatic triangle
- danger triangle
- danger triangle of the face
- devil's triangle
- disclosure triangle
- drama triangle
- equilateral triangle
- eternal triangle
- femoral triangle
- fire triangle
- Floyd's triangle
- foretriangle
- furry triangle
- Gergonne triangle
- golden triangle
- gold triangle
- Goualougo Triangle
- Great Triangle
- gyrotriangle
- Halaib Triangle
- Harberger's triangle
- Harberger triangle
- hepatobiliary triangle
- hepatocystic triangle
- ideal triangle
- iron triangle
- isosceles triangle
- Kanizsa triangle
- Karpman drama triangle
- Karpman's drama triangle
- Karpman's triangle
- Karpman triangle
- Killian's triangle
- Koch's triangle
- Lenné Triangle
- Lithium Triangle
- love triangle
- Morley triangle
- nanotriangle
Phrases with triangle
- Afar Triangle
- pink triangle
- time triangle
- Triangle Flat
- triangle pose
- triangle test
- triangle wave
- West Triangle
- work triangle
- Coral Triangle
- right triangle
- sight triangle
47 more phrasesFewer phrases
- South Triangle
- Texas Triangle
- triangle group
- triangle tests
- triangle waves
- French triangle
- Nevada Triangle
- obtuse triangle
- purple triangle
- Summer Triangle
- triangle groups
- triangle spider
- Winter Triangle
- Penrose triangle
- Rhubarb Triangle
- scalene triangle
- triangle of life
- triangle spiders
- warning triangle
- Dragon's Triangle
- Northern Triangle
- Pascal's triangle
- red triangle slug
- Reuleaux triangle
- Scarpa's triangle
- triangle of death
- triangle piercing
- posterior triangle
- red triangle slugs
- spherical triangle
- triangle piercings
- triangle postulate
- nasolabial triangle
- Polynesian Triangle
- Sierpinski triangle
- tangential triangle
- triangle inequality
- triangle postulates
- Bridgewater Triangle
- Pythagorean triangle
- right-angled triangle
- sternocostal triangle
- unified rear triangle
- obtuse-angled triangle
- Pacific Bermuda Triangle
- superior carotid triangle
- van Arkel–Ketelaar triangle
Questions about triangle
- What does triangle mean?
- Triangle means a polygon with three sides and three angles.
- What is triangle in Hindi?
- Triangle in Hindi is त्रिकोण (trikoṇ), त्रिभुज (tribhuj). See Triangle meaning in Hindi.
- What part of speech is triangle?
- Triangle can be a noun, a verb or a proper noun.
- How do you pronounce triangle?
- Triangle is pronounced /ˈtɹaɪəŋɡəl/ (UK).
- What is the plural of triangle?
- The plural of triangle is triangles.
Words near triangle in the dictionary
Source and license
Adapted from Wiktionary: triangle (page history and authors); Triangle (page history and authors); triangle (Marathi, IndicTrans2 machine translation) (model and license); triangle (Malayalam, IndicTrans2 machine translation) (model and license); triangle (Punjabi, IndicTrans2 machine translation) (model and license); triangle (Odia, IndicTrans2 machine translation) (model and license); triangle (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-triangle.ogg.
Cite this entry: “triangle.” Word.ws, https://word.ws/triangle. Based on Wiktionary, CC BY-SA 4.0.