There are 2 definitions of trapezium in English:

trapezium1

Syllabification: tra·pe·zi·um
Pronunciation: /trəˈpēzēəm
 
/

noun (plural trapezia /-zēə/ or trapeziums)

1 Geometry A type of quadrilateral.
More example sentences
  • What is the length of the top edge, x, in this new trapezium?
1.1North American A quadrilateral with no sides parallel. Compare with trapezoid.
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  • With the help of square, rhombus, rectangle, parallelogram, trapezium, equilateral, isosceles, diamond and kite shapes the direct and indirect approaches to teach the Pythagoras Theorem and other mathematical concepts is possible.
  • On plan the auditorium is a trapezium rising three levels high inside its rectangular confines with rehearsal and dressing rooms fitted around two edges.
1.2British A quadrilateral with one pair of sides parallel.
More example sentences
  • The types of shapes for which the area is calculated include triangles, rectangles, circles, trapeziums.
  • In particular he finds, in book 1, the centre of gravity of a parallelogram, a triangle, and a trapezium.
  • They have been made in many shapes: triangular or trapeziform, ‘pig's head’ shape (a trapezium with concave ‘cheeks’, popularly known in Italy as strumento di porco), wing or harp-shaped, or rectangular.
2 (also os trapezium) Anatomy A bone in the wrist below the base of the thumb.
More example sentences
  • These involved, in addition to the base of the first carpometacarpal joint, the trapezium, navicular, surrounding fascial structures or the abductor pollicis brevis muscle.
  • The insertion may ascend on the lateral face of the radius or may be extended distally to the navicular, trapezium, or base of the third metacarpal bone.
  • The distal row of carpals includes the hamate, capitate, trapezium, and trapezoid, which are closely approximated to the metacarpals.

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.

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Word of the day semblance
Pronunciation: ˈsɛmbləns
noun
the outward appearance or apparent form of something…

There are 2 definitions of trapezium in English:

Trapezium2

Syllabification: Tra·pe·zi·um
Pronunciation: /trəˈpēzēəm
 
/
(the Trapezium) Astronomy
The multiple star Theta Orionis, which lies within the Great Nebula of Orion and illuminates it. Four stars are visible in a small telescope and two more with a larger telescope.

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Word of the day semblance
Pronunciation: ˈsɛmbləns
noun
the outward appearance or apparent form of something…