triangle

Other Definitions
triangle (enc)

Noun	1.	triangle - a three-sided polygon trigon, trilateral polygon, polygonal shape - a closed plane figure bounded by straight sides acute triangle, acute-angled triangle - a triangle whose interior angles are all acute equiangular triangle, equilateral triangle - a three-sided regular polygon isosceles triangle - a triangle with two equal sides oblique triangle - a triangle that contains no right angle obtuse triangle, obtuse-angled triangle - a triangle that contains an obtuse interior angle right triangle, right-angled triangle - a triangle with one right angle scalene triangle - a triangle with no two sides of equal length cuneus, wedge, wedge shape - any shape that is triangular in cross section
	2.	triangle - something approximating the shape of a triangle; "the coastline of Chile and Argentina and Brazil forms two legs of a triangle" shape, form - the spatial arrangement of something as distinct from its substance; "geometry is the mathematical science of shape"
	3.	triangle - any of various triangular drafting instruments used to draw straight lines at specified angles drafting instrument - an instrument used by a draftsman in making drawings
	4.	triangle - a percussion instrument consisting of a metal bar bent in the shape of an open triangle percussion instrument, percussive instrument - a musical instrument in which the sound is produced by one object striking another

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