different between quadrilateral vs trapezium

English

Etymology

From Latin quadrilaterus, quadri- (“four”) + Latin later?lis (“sided”)

Pronunciation

• IPA^(key): /?kw?d.???læt.??.?l/
• enPR: kwäd'-r?-l?t?-?r-?l
• Rhymes: -æt???l

Noun

quadrilateral (plural quadrilaterals)

1. A polygon with four sides.
2. An area defended by four fortresses supporting each other.

   The Venetian quadrilateral comprised Mantua, Peschiera, Verona, and Legnano.

Hyponyms

• See also Thesaurus:quadrilateral

Translations

Adjective

quadrilateral (not comparable)

1. Having four sides.

Translations

Portuguese

Adjective

quadrilateral m or f (plural quadrilaterais, comparable)

1. quadrilateral (having four sides)

   Synonym: quadrilátero

English

Etymology

Recorded since 1570, learned borrowing from Late Latin trapezium, from Ancient Greek ????????? (trapézion, “irregular quadrilateral”, literally “a little table”), diminutive of ??????? (trápeza, “table”). Doublet of trapeze.

Pronunciation

• IPA^(key): /t???pi?.zi.?m/

• (General American, also) IPA^(key): /t?æ?pi.zi.?m/

Noun

trapezium (plural trapeziums or trapezia)

1. (geometry, Britain, 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

• (archaic) trapeze
• (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

Dutch

Etymology

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

Pronunciation

• IPA^(key): /tr??pe?z??m/

Noun

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

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

Related terms

• trapezoïde

Latin

Etymology

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

Pronunciation

• (Classical) IPA^(key): /tra?pez.zi.um/, [t??ä?p?z?d??z?i???]
• (Ecclesiastical) IPA^(key): /tra?ped.d?zi.um/, [t????p?d???z?ium]

Noun

trapezium n (genitive trapezi? or trapez?); second declension

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

Declension

Second-declension noun (neuter).

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

Descendants