quadrilateral

[ kwod-ruh-lat-er-uhl ]

/ ˌkwɒd rəˈlæt ər əl /

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See synonyms for quadrilateral on Thesaurus.com

adjective

having four sides.

noun

a plane figure having four sides and four angles.

something of this form.

Geometry.

a figure formed by four straight lines that have six points of intersection.
a polygon with four sides.

the space enclosed between and defended by four fortresses.

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Origin of quadrilateral

1640–50; <Latin quadrilater(us) four-sided + -al¹. See quadri-, lateral

OTHER WORDS FROM quadrilateral

quad·ri·lat·er·al·ly, adverbquad·ri·lat·er·al·ness, noun

Words nearby quadrilateral

quadriennium, quadrifid, quadriga, quadrigatus, quad right, quadrilateral, quadrilingual, quadriliteral, quadrille, quadrillion, quadrinomial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use quadrilateral in a sentence

But a quadrilateral would also be constituted by four lines arranged in some particular manner.
Plotinos: Complete Works, v. 3|Plotinos (Plotinus)
A figure that is bounded by four straight lines is termed a quadrangle, quadrilateral or tetragon.
Mechanical Drawing Self-Taught|Joshua Rose
Platt-Teutsch platooning, bayonet-charging,—on such terms no Russian or mortal Quadrilateral can stand it.
History of Friedrich II. of Prussia, Vol. XVIII. (of XXI.)|Thomas Carlyle
This left in the hands of the Austrians still an important part of northern Italy known as the Quadrilateral.
The Story of the Great War, Volume I (of 8)|Various

The first stage or platform is at the height of 189 feet, and forms a quadrilateral 213 feet square, fitted up as a restaurant.
The New Gresham Encyclopedia|Various

British Dictionary definitions for quadrilateral

quadrilateral

/ (ˌkwɒdrɪˈlætərəl) /

adjective

having or formed by four sides

noun

Also called: tetragon a polygon having four sides. A complete quadrilateral consists of four lines and their six points of intersection

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for quadrilateral

quadrilateral

[ kwŏd′rə-lăt′ər-əl ]

A polygon that has four sides, such as a rectangle or rhombus.

quadrilateral

Origin of quadrilateral

OTHER WORDS FROM quadrilateral

Words nearby quadrilateral

Words related to quadrilateral

How to use quadrilateral in a sentence

British Dictionary definitions for quadrilateral

Scientific definitions for quadrilateral