trapezium

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English[edit]

Etymology[edit]

Recorded since 1570, from Late Latin trapezium, from Ancient Greek τραπέζιον (trapézion, irregular quadrilateral, literally a little table), diminutive of τράπεζα (trápeza, table)", itself from τρά- (trá-, four) + πέζα (péza, foot, edge).

Noun[edit]

trapezium (plural trapeziums or trapezia)

  1. (geometry, UK) A four-sided polygon with two sides parallel; a trapezoid (modern sense)
  2. (geometry, US) A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
  3. A bone of the carpus at the base of the first metacarpal, or thumb.
  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[edit]

  • (geometry, US, four-sided polygon with no sides parallel and no equal sides): The terms trapezium and trapezoid have partially swapped meanings in the US and Canada as compared with the rest of the world.

Synonyms[edit]

  • (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) irregular quadrilateral.

Translations[edit]

Related terms[edit]


Dutch[edit]

Dutch Wikipedia has an article on:

Wikipedia nl

Pronunciation[edit]

Noun[edit]

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

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

Related terms[edit]


Latin[edit]

Etymology[edit]

Late Latin; from Ancient Greek τραπέζιον (trapézion, irregular quadrilateral, literally a little table), diminutive of τράπεζα (trápeza, table), itself from τρά- (trá-, four) + πέζα (péza, foot, edge).

Pronunciation[edit]

Noun[edit]

trapezium n (genitive trapeziī); second declension

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

Inflection[edit]

Second declension neuter.

Number Singular Plural
nominative trapezium trapezia
genitive trapeziī trapeziōrum
dative trapeziō trapeziīs
accusative trapezium trapezia
ablative trapeziō trapeziīs
vocative trapezium trapezia

Descendants[edit]

et:trapezium eo:trapezium fr:trapezium ko:trapezium hy:trapezium io:trapezium id:trapezium hu:trapezium ml:trapezium my:trapezium nl:trapezium pl:trapezium ru:trapezium fi:trapezium sv:trapezium ta:trapezium vi:trapezium