🤚 A wrist bone 🔷 A four-sided figure

trapezium

7.9

A four-sided shape with no parallel sides

noun
/trəˈpiːziəm/

: trapecio

Examples

Using the pen tool (P), create this trapezium-shaped form that will be the L1 and L2 button.

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The architect designed a table in the shape of a trapezium for the new café.
In mathematics class, we learned how to calculate the area of a trapezium using its base lengths and height.
The road signs were arranged in a trapezium formation to improve visibility for drivers.

Antonyms

parallelogram

Specialized

2 4.4

A four-sided shape with opposite sides parallel and the same length

Compounds

os trapezium

Specialized

9.8

A small wrist bone on the thumb side that joins the base of the thumb and index finger

trapezium bone

Specialized

8.3

A small wrist bone near the thumb that helps it move

Surface Forms

trapezium singular

trapeziums plural

trapezoids plural

trapezoid singular

Etymology

Trapezium comes from the Greek trapezion, meaning 'little table'. A table has four legs, so the word was used for four-sided shapes, and in British maths today it names a four-sided figure with no parallel sides.