- (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram.
- a quadrilateral plane figure of which no two sides are parallel.
- British. trapezoid (def. 1a).
Origin of trapezium
OTHER WORDS FROM trapeziumtra·pe·zi·al, adjective
Words nearby trapezium
How to use trapezium in a sentence
The city of Tralles is built upon ground in the shape somewhat of a trapezium.
It was an irregular trapezium, a mass struck off from the colossal granitic prism of the Great Douvre.Toilers of the Sea|Victor Hugo
His court must therefore have been a trapezium with its smallest side opposite to the pylon, rather than a rectangle.A history of art in ancient Egypt, Vol. I (of 2)|Georges Perrot
The plan is very peculiar, forming a very irregular trapezium, no two of the sides being equal in length.Some Account of Gothic Architecture in Spain|George Edmund Street
The Lick telescope has disclosed one or two other minute points of light associated with the Trapezium.Pleasures of the telescope|Garrett Serviss