Trapezium

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Comparisons of "trapezium" in both British and American English.

Trapezium, describing a geometric shape, has two contradictory meanings:

  • Outside the US and Canada: a quadrilateral with at least one pair of parallel sides (known in the US as a trapezoid)
  • In the US and Canada: a quadrilateral with no parallel sides (known elsewhere as a general irregular quadrilateral)

Trapezium can also mean: