triangle
Language: English
Part of speech: noun
Pronunciation: ipa: /ˈtɹaɪəŋɡəl/
ipa: /ˈtɹaɪˌæŋɡəl/
enpr: trī'-ăng-gəl
ipa: /ˈtɹaɪˌæŋɡəl/
rhymes: -aɪæŋɡəl
rhymes: -æŋɡəl
Forms: form: triangles
Etymology: 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.
Senses: examples: text: 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.
ref: 1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 22:
topics: geometry
mathematics
sciences
glosses: A polygon with three sides and three angles.
glosses: A set square.
topics: entertainment
lifestyle
music
glosses: 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.
topics: ball-games
billiards
games
hobbies
lifestyle
sports
glosses: A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
examples: text: One of the writers' most pleasing inventions was to treat the triangle love story as comedy.
ref: 2009, Neil McDonald, Quadrant, November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104
glosses: A love triangle.
qualifier: systemics
glosses: The structure of systems composed with three interrelated objects.
glosses: A draughtsman's square in the form of a right-angled triangle.
examples: text: I was flogged in 1840. To this day I feel a pain in the chest from the triangles.
ref: 1851, Henry Mayhew, London Labour and the London Poor, published 1861:
text: 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;
ref: 1868, “The Week”, in The Nation, volume 6, number 149:
glosses: A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.
synonyms: bluebottle
glosses: Any of various large papilionid butterflies of the genus Graphium.
examples: text: After turning on the triangle at Jeumont, we set off light engine back to Aulnoye.
ref: 1961 March, ""Balmore"", “Driving and firing modern French steam locomotives”, in Trains Illustrated, page 147:
topics: rail-transport
railways
transport
synonyms: wye
glosses: A triangular formation of railway tracks, with a curve on at least one side.
Synonyms: sense: polygon
word: threeside
sense: polygon
word: trigon
sense: love triangle
word: love triangle
sense: love triangle
word: menage à trois
word: △
word: triangle
Hypernyms: word: polygon
word: shape
Hyponyms: word: acute-angled triangle
word: acute triangle
word: equilateral triangle
word: isosceles triangle
word: obtuse-angled triangle
word: obtuse triangle
word: right-angled triangle
word: right triangle
word: scalene triangle
Derived terms: acute-angled triangle
acute triangle
anal triangle
anterior triangle
anti-triangle
Bermuda Triangle
black triangle
blue 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
devil's triangle
equilateral triangle
eternal triangle
femoral triangle
fire triangle
Floyd's triangle
Gergonne triangle
golden triangle
Golden Triangle
Goualougo Triangle
Harberger's triangle
Harberger triangle
hepatobiliary triangle
hepatocystic triangle
ideal triangle
iron triangle
isosceles triangle
Kanizsa triangle
Karpman drama triangle
Koch's triangle
Lenné Triangle
Lithium Triangle
love triangle
Morley triangle
nasolabial triangle
North Atlantic Triangle
obtuse-angled triangle
obtuse triangle
Pascal's triangle
Penrose triangle
pink triangle
Polynesian Triangle
posterior triangle
pubic triangle
purple triangle
Pythagorean triangle
red triangle slug
Reuleaux triangle
right-angled triangle
right triangle
scalene triangle
Scarpa's triangle
set triangle
Sierpinski triangle
sight triangle
South Triangle
spherical triangle
star-triangle relation
sternocostal triangle
Sunni Triangle
superior carotid triangle
tangential triangle
time triangle
triangle choke
triangle-free
triangle group
triangle inequality
triangle offense
triangle of life
triangle piercing
triangle pose
Triangler
triangle spider
triangle test
triangle wave
trianglist
triangular
triangular distribution
triangular function
triangular prism
triangulate
triangulation
unified rear triangle
van Arkel–Ketelaar triangle
warning triangle
West Triangle
work triangle