trapezium
/ˈtræpɪzɪəm/Definitions
1. noun
A four-sided shape with two pairs of sides of unequal length, where the parallel sides are the bases, and the non-parallel sides are the legs.
“The engineer designed the trapezium to support the weight of the building.”
2. noun
A quadrilateral, especially one whose angles are not right angles.
“The trapezium in the diagram has three acute angles.”
3. noun
A musical instrument with a flat, trapezoidal sound box, often used in traditional folk music.
“The trapezium player added a rich, resonant sound to the ensemble.”
4. verb
To support or hold something up, especially using a trapezium-shaped structure.
“The scaffolding trapeziumed the walls of the building.”