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

Live Nation LYV 1.08%increase; green up pointing triangle logged higher sales in its latest quarter, driven by growth in its concerts segment.

From The Wall Street Journal

Deere DE -1.26%decrease; red down pointing triangle raised its fiscal-year outlook and said demand in the construction and small agriculture markets was recovering.

From The Wall Street Journal

Boeing BA -2.09%decrease; red down pointing triangle signed deals to sell almost 100 jets to Vietnamese carriers valued at over $30 billion, signaling warming ties between the U.S. and Vietnam as trade talks continue.

From The Wall Street Journal

Toll Brothers TOL -1.38%decrease; red down pointing triangle reported higher revenue in its fiscal first quarter, boosted by a jump in land sales revenue.

From The Wall Street Journal

Caesars CZR 4.47%increase; green up pointing triangle Entertainment swung to a loss and recorded higher revenue in the fourth quarter, but said it expects a stable year ahead.

From The Wall Street Journal

Related Words

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