Meanings
nounquadrilateral (plural quadrilaterals)
plural quadrilaterals
- geometryA polygon with four sides.
Meronyms: angle, side; see also Thesaurus:polygon
Synonyms: 4-gon, tetragon, quadrangle
- An area defended by four fortresses supporting each other.
The Venetian quadrilateral comprised Mantua, Peschiera, Verona, and Legnano.
adjectivequadrilateral (not comparable)
- not comparableHaving four sides.
They spoke at a quadrilateral meeting of the trade ministers of the United States, the European Union, Canada, and Japan.
Synonyms & antonyms
nounA polygon with four sides.
Similar
Similar
Broader
More synonyms by meaning
adjectivehaving four sides
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- New Latinquadrilaterus
- Englishquadrilateral
Learned borrowing from New Latin quadrilaterus + -al.
More words from New Latin
Full word history & related roots →Translations
Arabic رُبَاعِيّ الْأَضْلَاع, رُبَاعِيّ الْجَوَانِب
- رُبَاعِيّ الْأَضْلَاع (rubāʕiyy al-ʔaḍlāʕ)polygon having four sides
- رُبَاعِيّ الْجَوَانِب (rubāʕiyy al-jawānib)having four sides
Bengali চতুর্ভুজ
- চতুর্ভুজ (coturbhuj)polygon having four sides
Bulgarian четириъгъ́лник, четиристранен
- четириъгъ́лник (četiriăgắlnik)polygon having four sides
- четиристранен (četiristranen)having four sides
Catalan quadrilàter, quadrilàter
- quadrilàterpolygon having four sides
- quadrilàterhaving four sides
Chinese Mandarin 四邊形 /四边形
- 四邊形 /四边形 (sìbiānxíng)polygon having four sides
Czech čtyřúhelník
- čtyřúhelníkpolygon having four sides
Danish firkant, firkantet
- firkantpolygon having four sides
- firkantethaving four sides
Dutch vierhoek, vierhoekig
- vierhoekpolygon having four sides
- vierhoekighaving four sides
- quadrilateraalhaving four sides
Esperanto kvarlatero, kvarangulo
- kvarlateropolygon having four sides
- kvarangulopolygon having four sides
Estonian nelinurk
- nelinurkpolygon having four sides
Finnish nelikulmio, nelisivuinen
- nelikulmiopolygon having four sides
- nelisivuinenhaving four sides
French quadrilatère, quadrangle
- quadrilatèrepolygon having four sides
- quadranglepolygon having four sides
- quadrilatéralhaving four sides
German Viereck, vierseitig
- Viereckpolygon having four sides
- vierseitighaving four sides
- vierkantighaving four sides
Greek τετράπλευρο, τετράπλευρος
- τετράπλευρο (tetráplevro)polygon having four sides
- τετράπλευρος (tetráplevros)having four sides
Hebrew מרובע \ מְרֻבָּע, מרובע \ מְרֻבָּע
- מרובע \ מְרֻבָּע (merubá)polygon having four sides
- מרובע \ מְרֻבָּע (merubá)having four sides
Hindi चतुर्भुज, चतुष्कोण
- चतुर्भुज (caturbhuj)polygon having four sides
- चतुष्कोण (catuṣkoṇ)polygon having four sides
- चतुर्भुजीय (caturbhujīya)having four sides
Hungarian négyszög, négyszögű
- négyszögpolygon having four sides
- négyszögűhaving four sides
- négyszögletűhaving four sides
- négyoldalúhaving four sides
Icelandic ferhyrningur
- ferhyrningurpolygon having four sides
Indonesian segi empat
- segi empatpolygon having four sides
Irish ceathairshleasach
- ceathairshleasachhaving four sides
Italian quadrilatero, quadrangolo
- quadrilateropolygon having four sides
- quadrangolopolygon having four sides
- quadrilaterohaving four sides
Japanese 四辺形, 四角形
- 四辺形 (shihenkei)polygon having four sides
- 四角形 (shikakkei)polygon having four sides
- 四辺形の (shihenkei no)having four sides
Korean 사각형, 사변형
- 사각형 (sagakhyeong)polygon having four sides
- 사변형 (sabyeonhyeong)polygon having four sides
- 네모 (nemo)polygon having four sides
Latin quadrilatus
- quadrilatuspolygon having four sides
Latvian četrstūris
- četrstūrispolygon having four sides
Lithuanian keturkampis
- keturkampispolygon having four sides
Malay segi empat, caturkona
- segi empatpolygon having four sides
- caturkonapolygon having four sides
- tetragonpolygon having four sides
Māori tapawhā, tapawhā
- tapawhāpolygon having four sides
- tapawhāhaving four sides
Norwegian Bokmål firkant
- firkantpolygon having four sides
Persian چهارضلعی, چهارگوش
- چهارضلعی (čahârzel'i)polygon having four sides
- چهارگوش (čahârguš)polygon having four sides
- چهارگوشه (čahârguše)polygon having four sides
- چهارپهلو (čahârpahlu)polygon having four sides
Polish czworokąt, czworobok
- czworokątpolygon having four sides
- czworobokpolygon having four sides
- czworobocznyhaving four sides
Portuguese quadrilátero, quadrângulo
- quadriláteropolygon having four sides
- quadrângulopolygon having four sides
- quadriláterohaving four sides
- quadrilateralhaving four sides
Romanian patrulater, cadrilater
- patrulaterpolygon having four sides
- cadrilaterpolygon having four sides
- cvadrilateralhaving four sides
Russian четырёхуго́льник, четырёхсторо́нний
- четырёхуго́льник (četyrjoxugólʹnik)polygon having four sides
- четырёхсторо́нний (četyrjoxstorónnij)having four sides
Scottish Gaelic ceithir-cheàrnach
- ceithir-cheàrnachpolygon having four sides
Slovak štvoruholník, štvorstranný
- štvoruholníkpolygon having four sides
- štvorstrannýhaving four sides
Spanish cuadrilátero, cuadrilátero
- cuadriláteropolygon having four sides
- cuadriláterohaving four sides
Swahili pembenne
- pembennepolygon having four sides
Swedish fyrhörning
- fyrhörningpolygon having four sides
Tagalog kuwadrilateral, patsihain
- kuwadrilateralpolygon having four sides
- patsihainhaving four sides
Tamil நாற்கரம்
- நாற்கரம் (nāṟkaram)polygon having four sides
Thai สี่เหลี่ยม
- สี่เหลี่ยม (sìi-lìiam)polygon having four sides
Turkish dörtgen
- dörtgenpolygon having four sides
Ukrainian чотирику́тник
- чотирику́тник (čotyrykútnyk)polygon having four sides
Vietnamese hình tứ giác
- hình tứ giácpolygon having four sides
Welsh pedrongl, pedrongl
- pedronglpolygon having four sides
- pedronglhaving four sides
Rhymes & wordplay
Rhymes with quadrilateral
lateralcollateralbilateralmultilateralunilateralcontralateraltrilateralipsilateralequilateralbasolateraldorsolateralventrolateralposterolateralanterolateralplurilateralacousticolateralambilateralapicolateralaxiolateralbasilateralcaudolateralcentrolateralcostolateralcraniolateral
All rhymes →Cite this entry
APA
quadrilateral. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/quadrilateral
MLA
“quadrilateral.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quadrilateral. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “quadrilateral,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/quadrilateral.
Source: quadrilateral on Wiktionary, CC BY-SA 4.0.