trapezium

English

Etymology

Recorded since 1570, learned borrowing from Late Latin trapezium, from (deprecated template usage) [etyl] Ancient Greek τραπέζιον (trapézion, “irregular quadrilateral”, literally “a little table”), diminutive of τράπεζα (trápeza, “table”).

Pronunciation

• IPA^(key): /tɹəˈpiː.zi.əm/

• IPA^(key): /tɹæˈpi.zi.əm/

• Audio (AU):

  (file)

Noun

trapezium (plural trapeziums or trapezia)

1. (geometry, British, Australia, New Zealand) A four-sided polygon with two sides parallel
2. (geometry, US, dated) A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
3. (anatomy) The trapezium bone of the wrist.
4. A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.

Usage notes

• (geometry): The terms trapezium and trapezoid have swapped meanings in the US and Canada as compared with the rest of the world.

Synonyms

• (geometry, British, four-sided polygon with two parallel sides): (US) trapezoid
• (geometry, US, four-sided polygon with no sides parallel and no equal sides): (British) trapezoid, (British) irregular quadrilateral.

Related terms

• trapeze
• trapeziform
• trapezius
• trapezoid

Translations

polygon with two parallel sides

• Armenian: սեղան (hy) (seġan)
• Bengali: ট্রাপিজিয়াম (ṭrapijiẏam)
• Catalan: trapezi (ca) m
• Chinese:

  Mandarin: 梯形 (zh) (tīxíng)

• Czech: lichoběžník (cs) m
• Danish: trapez n
• Dutch: trapezium (nl) n
• Esperanto: trapezo
• Finnish: puolisuunnikas (fi)
• French: trapèze (fr) m
• Galician: trapecio (gl) m, trapezoide (gl) m
• German: Paralleltrapez n, Trapez (de) n
• Greek: τραπέζιο (el) n (trapézio)

  Ancient: τραπέζιον n (trapézion)

• Hebrew: טְרָפֶּז (he) m (trapéz)
• Hungarian: trapéz (hu)
• (deprecated template usage) {{trans-mid}}
• Ido: trapezo (io)
• Italian: trapezio (it) m
• Japanese: 台形 (ja) (だいけい, daikei)
• Korean: 사다리꼴 (ko) (sadarikkol)
• Latin: trapezoides, trapezion n, mensula f
• Macedonian: трапез m (trapez)
• Maori: taparara
• Navajo: heetsʼóozgo dikʼą́
• Persian: زنخدار (zanaxdâr), ذوزنقه (fa) (zuzanaqe)
• Polish: trapez (pl) m inan
• Portuguese: trapézio (pt) m
• Russian: трапе́ция (ru) f (trapécija)
• Spanish: trapecio (es) m
• Tagalog: tagigapay
• Turkish: yamuk (tr)
• Vietnamese: hình thang (vi)

polygon with no parallel sides and no equal sides

• Dutch: trapezoïde (nl)
• Esperanto: trapezo
• Finnish: nelikulmio (fi)
• French: trapézoïde (fr) m
• German: Trapezoid n, Trapez (de) n
• Greek: τραπέζιο (el) n (trapézio)

  Ancient: τραπέζιον n (trapézion)

• Hebrew: טְרָפֶּז (he) m (trapéz)
• Ido: trapezo (io)
• (deprecated template usage) {{trans-mid}}
• Italian: trapezoide (it) m
• Japanese: 不等辺四辺形 (ふとうへんしへんけい, futōhenshihenkei)
• Korean: 부등변사변형 (budeungbyeonsabyeonhyeong)
• Latin: trapezium n, trapezoides
• Macedonian: трапезои́д m (trapezoíd)
• Persian: زنخدار (zanaxdâr), ذوزنقه (fa) (zuzanaqe)
• Polish: trapezoid (pl) m inan
• Spanish: trapezoide (es) m

bone

• Catalan: trapezi (ca) m
• French: trapèze (fr) m
• Galician: trapecio (gl) m
• (deprecated template usage) {{trans-mid}}
• Persian: ذوزنقه (fa) (zuzanaqe)
• Portuguese: trapézio (pt) m
• Spanish: trapecio (es) m

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Dutch

Etymology

Borrowed from Late Latin trapezium, from Ancient Greek τραπέζιον (trapézion, “irregular quadrilateral”), diminutive of τράπεζα (trápeza, “table”).

Pronunciation

• IPA^(key): /trɑˈpeːzɪʏm/

• Audio:

  (file)

Noun

trapezium n (plural trapeziums or trapezia, diminutive trapeziumpje n)

1. (geometry) A trapezium, trapezoid, a quadrilateral with two sides parallel

Related terms

• trapezoïde

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Latin

Etymology

Late Latin; from Ancient Greek τραπέζιον (trapézion, “irregular quadrilateral”, literally “a little table”), diminutive of τράπεζα (trápeza, “table”).

Pronunciation

• (Classical Latin) IPA^(key): /traˈpez.zi.um/, [t̪räˈpɛz̪d̪͡z̪iʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /traˈped.d͡zi.um/, [t̪räˈpɛd̪ː͡z̪ium]

Noun

trapezium n (genitive trapeziī or trapezī); second declension

1. trapezium, trapezoid (four-sided shape with no sides parallel and no equal sides)

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	trapezium	trapezia
Genitive	trapeziī trapezī1	trapeziōrum
Dative	trapeziō	trapeziīs
Accusative	trapezium	trapezia
Ablative	trapeziō	trapeziīs
Vocative	trapezium	trapezia

¹Found in older Latin (until the Augustan Age).

Descendants

• Catalan: trapezi
• → Dutch: trapezium
• → English: trapezium
• Galician: trapecio
• Italian: trapezio
• Portuguese: trapézio
• Spanish: trapecio