triangle

[ trahy-ang-guh l ]
/ ˈtraɪˌæŋ gəl /

noun

Origin of triangle

1350–1400; Middle English < Latin triangulum, noun use of neuter of triangulus three-cornered. See tri-, angle1

OTHER WORDS FROM triangle

tri·an·gled, adjective

Example sentences from the Web for triangle

British Dictionary definitions for triangle

triangle
/ (ˈtraɪˌæŋɡəl) /

noun

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
any object shaped like a triangle
any situation involving three parties or points of view See also eternal triangle
music a percussion instrument consisting of a sonorous metal bar bent into a triangular shape, beaten with a metal stick
a group of three

Derived forms of triangle

triangled, adjective

Word Origin for triangle

C14: from Latin triangulum (noun), from triangulus (adjective), from tri- + angulus corner

Medical definitions for triangle

triangle
[ trīăng′gəl ]

n.

A three-sided area, space, or structure.

Scientific definitions for triangle

triangle
[ trīăng′gəl ]

A closed geometric figure consisting of three sides.

Idioms and Phrases with triangle

triangle

see eternal triangle.