English Explanatory Dictionary

triangle

English dictionary entry

Meanings

noun
  1. A polygon with three sides and three angles.
  2. A set square.
  3. 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.
  4. A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
  5. A love triangle.
  6. The structure of systems composed with three interrelated objects.
  7. A draughtsman's square in the form of a right-angled triangle.
  8. A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.
  9. Any of various large papilionid butterflies of the genus Graphium.
  10. A triangular formation of railway tracks, with a curve on at least one side.
name
  1. A place in the United States:
  2. The area comprising the cities of Raleigh, Durham and Chapel Hill in North Carolina. Used with "the" except when attributive.
  3. A town in Broome County, New York.
  4. A census-designated place in Prince William County, Virginia.
  5. A community in Newfoundland and Labrador, Canada, seemingly in Labrador.
  6. A place in England:
  7. A hamlet in Hewelsfield and Brockweir parish, Forest of Dean district, Gloucestershire (OS grid ref SO5401).
  8. A suburb of Burntwood in Hammerwich parish, Lichfield district, Staffordshire (OS grid ref SK0507).
  9. A small village south-west of Sowerby Bridge, Calderdale borough, West Yorkshire (OS grid ref SE0422).
  10. A small town in Masvingo province, Zimbabwe.
  11. Ellipsis of Bermuda Triangle.

Pronunciation

/ˈtɹaɪəŋɡəl/ /ˈtɹaɪˌæŋɡəl/ trī'-ăng-gəl en-us-triangle.ogg

Word forms

triangle 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.

Synonyms

△ triangle threeside trigon love triangle menage à trois bluebottle wye

Derived words

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 disclosure triangle equilateral triangle eternal triangle femoral triangle fire triangle Floyd's triangle furry triangle Gergonne 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
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