triangle

American  

[trahy-ang-guhl] / ˈtraɪˌæŋ gəl /

noun

1. a closed plane figure having three sides and three angles.

2. a flat triangular piece, usually of plastic, with straight edges, used in connection with a T square for drawing perpendicular lines, geometric figures, etc.

3. any three-cornered or three-sided figure, object, or piece.

   a triangle of land.

4. a musical percussion instrument that consists of a steel triangle, open at one corner, that is struck with a steel rod.

5. a group of three; triad.

6. a situation involving three persons, especially one in which two of them are in love with the third.

7. Astronomy. Triangle, the constellation Triangulum.

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triangle British  

/ ˈtraɪˌæŋɡəl /

noun

1. geometry a three-sided polygon that can be classified by angle, as in an acute triangle, or by side, as in an equilateral triangle. Sum of interior angles: 180°; area: 1/ 2 base × height

2. any object shaped like a triangle

3. any situation involving three parties or points of view See also eternal triangle

4. music a percussion instrument consisting of a sonorous metal bar bent into a triangular shape, beaten with a metal stick

5. a group of three

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triangle Scientific  

/ trī′ăng′gəl /

1. A closed geometric figure consisting of three sides.

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triangle Idioms  

1. see eternal triangle.

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Other Word Forms

• triangled adjective

Etymology

Origin of triangle

First recorded in 1350–1400; Middle English, from Latin triangulum, noun use of neuter of triangulus “three-cornered”, tri-, angle ¹

Example Sentences

Berkeley Group BKG -8.27%decrease; red down pointing triangle said it would pause making any new land acquisitions due to the challenging market backdrop and geopolitical volatility.

From The Wall Street Journal

Alaska Air Group ALK 7.58%increase; green up pointing triangle warned that refining margins for its fuel rose fivefold since early February, and it now expects a deeper loss for the first quarter.

From The Wall Street Journal

The contract was so big—and promised to be for years to come—that Magna MG 4.30%increase; green up pointing triangle International built a new factory in a Michigan cornfield.

From The Wall Street Journal

On its daily chart, it broke below a bearish descending triangle pivot below $41.50 last Friday.

From Barron's

Nike NKE 3.08%increase; green up pointing triangle logged lower profit in its latest quarter as sales in China continued to decline.

From The Wall Street Journal

Related Words

• adultery
• affair
• courtship
• dalliance
• devotion
• fling
• flirtation
• infidelity
• involvement
• liaison
• love
• passion
• relationship
• tryst