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Trapezial vs Trapezium - What's the difference?

trapezial | trapezium |

As a adjective trapezial

is in the form of a trapezium.

As a noun trapezium is

(geometry|british) a four-sided polygon with two sides parallel; a trapezoid (modern sense).

trapezial

English

Adjective

(-)
  • In the form of a trapezium
  • Of or pertaining to the trapezius muscle

    • trapezium

    English

    Noun

    (en-noun)
  • (geometry, British) A four-sided polygon with two sides parallel; a trapezoid (modern sense)
  • (geometry, US) A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
  • (anatomy) The trapezium bone of the wrist.
  • 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

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

    Synonyms

    * (US) trapezoid * (British) irregular quadrilateral.

    Related terms

    * trapeze * trapeziform * trapezius * trapezoid English nouns with irregular plurals ----