quadrilateral

quad·ri·lat·er·al

(kwŏd′rə-lăt′ər-əl)

A polygon having four sides.

adj.

Having four sides.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quadrilateral

(ˌkwɒdrɪˈlætərəl)

adj

(Mathematics) having or formed by four sides

(Mathematics) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

quad•ri•lat•er•al

(ˌkwɒd rəˈlæt ər əl)

adj.

1. having four sides.

2. Geom.

a. a polygon with four sides.

b. a figure formed by four straight lines that have six points of intersection.

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

quad`ri•lat′er•al•ly, adv.

quad·ri·lat·er·al

(kwŏd′rə-lăt′ər-əl)

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

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	quadrilateral - a four-sided polygon quadrangle, tetragon polygon, polygonal shape - a closed plane figure bounded by straight sides parallelogram - a quadrilateral whose opposite sides are both parallel and equal in length trapezium - a quadrilateral with no parallel sides trapezoid - a quadrilateral with two parallel sides
Adj.	1.	quadrilateral - having four sides four-sided many-sided, multilateral - having many parts or sides

Translations

رُباعي الأضْلاع

čtyřúhelník

firkant

Viereck

τετράπλευρο τετράπλευρος

cuadrilátero

nelikulmio

quadrilatère

fjórhliîa hlutur

quadrilatero

四角形四辺形

ketursienis

četrstūris

vierhoekvierhoekig

štvoruholník

quadrilateral

[ˌkwɒdrɪˈlætərəl]

A. ADJ → cuadrilátero

B. N → cuadrilátero m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

quadrilateral

adj (Math) → vierseitig

n → Viereck nt

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

quadrilateral

[ˌkwɒdrɪˈlæt/ər/əl] adj → quadrilatero/a

quadrilateral

(kwodriˈlӕtərəl) noun

a two-dimensional figure with four straight sides.

Mentioned in

References in classic literature

"Instead of making use of the square or rectangle, as has been done to this time, you will suppose your place inclosed in a regular hexagon, this polygon having the advantage of offering more angles than the quadrilateral one.

View in context

Those which first caught the eye were the Bernardins, with their three bell towers; Sainte-Geneviève, whose square tower, which still exists, makes us regret the rest; the Sorbonne, half college, half monastery, of which so admirable a nave survives; the fine quadrilateral cloister of the Mathurins; its neighbor, the cloister of Saint-Benoit, within whose walls they have had time to cobble up a theatre, between the seventh and eighth editions of this book; the Cordeliers, with their three enormous adjacent gables; the Augustins, whose graceful spire formed, after the Tour de Nesle, the second denticulation on this side of Paris, starting from the west.

Close beside it one descried the quadrilateral enclosure of the fair of Saint- Germain, where the market is situated to-day; then the abbot's pillory, a pretty little round tower, well capped with a leaden cone; the brickyard was further on, and the Rue du Four, which led to the common bakehouse, and the mill on its hillock, and the lazar house, a tiny house, isolated and half seen.

View in context

Before a big fire lay Captain Smollett; and in a far corner, only duskily flickered over by the blaze, I beheld great heaps of coin and quadrilaterals built of bars of gold.

View in context

Referring to discussions in the quadrilateral meeting of Iran, Pakistan, Afghanistan and United Nations High Commissioner for Refugees (UNHCR) on Afghan refugees, Zolfaqari said that we reviewed the past seven years performance of the group towards Afghan refugees.

Tehran Urges Kabul to Call Iran-Educated Afghans to Homeland

The quadrilateral MOU will enable BOScoin to expand its ecosystem from mobility to warrantee services.

BOScoin signs trilateral MOU with Tri World Holdings, PayExpress, Nature Mobility

Istanbul [Turkey], October 27 (Sputnik/ANI): Russian President Vladimir Putin is meeting in Istanbul with his Turkish counterpart Recep Tayyip Erdogan before the quadrilateral summit on Syria, a Sputnik correspondent reported from the scene on Saturday.Putin arrived in Istanbul earlier in the day and went to the Vahdettin Pavilion, an estate which belonged to the last sultan of the Ottoman Empire, Mehmed VI Vahdettin.The summit of Russian, Turkish, French and German leaders is scheduled to begin there on 3 p.m.

Putin, Erdogan hold talks in Istanbul before Quadrilateral Summit on Syria

Now the question arises: What about the general case of a quadrilateral? Are there always points I in a (convex) quadrilateral that have the mentioned balanced areas property?

Balanced areas in quadrilaterals --on the way to Anne's Theorem

BRL is the holder of the Blueberry Project, an exploration licence over a brown field perimeter of prospectivity with high gold in an area known as the 'Golden Quadrilateral' in the Metaliferi Mountains of Romania.

Vast Resources Acquires Stake in Romanian Gold Project

If that is the ultimate goal then certainly the scope of quadrilateral discourse can be expanded by inviting other stakeholders.

Quadrilateral meeting of spymasters

"President Moon has mentioned ending the war through a trilateral agreement after the Moon-Trump summit which has been trilateral or quadrilateral connected to the Pamunjeom Declaration."

Moon may visit Singapore during Trump-Kim summit