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trapezium

Syllabification: (tra·pe·zi·um)
Pronunciation: /trəˈpēzēəm/
Definition of trapezium

noun (plural trapezia /-zēə/ or trapeziums)

  • 1 Geometry a type of quadrilateral.
  • North American a quadrilateral with no sides parallel. Compare with trapezoid.
  • British a quadrilateral with one pair of sides parallel.
  • 2 (also os trapezium) Anatomy a bone in the wrist below the base of the thumb.

Origin:

late 16th century: via late Latin from Greek trapezion, from trapeza 'table'. The term has been used in anatomy since the mid 19th century

trapezium in other Oxford dictionaries

Definition of trapezium in the British & World English dictionary

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