noun, plural tra·pe·zi·ums, tra·pe·zi·a [truh-pee-zee-uh] /trəˈpi zi ə/.
- (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
Related formstra·pe·zi·al, adjective
Examples from the Web for trapezium
Saturn's two close satellites regularly observed—eight stars in the trapezium of Orion!
Well, it's much the same way with me since my stallion William died—of trapezium, I think the doctor said.A Man in the Open|Roger Pocock
The bones were then dissected out, leaving the trapezium, which was not diseased, and hand placed on a splint.A Manual of the Operations of Surgery|Joseph Bell
The Lick telescope has disclosed one or two other minute points of light associated with the Trapezium.Pleasures of the telescope|Garrett Serviss
The city of Tralles is built upon ground in the shape somewhat of a trapezium.