But more interesting than the trapezium is the vast cloud, full of strange shapes, surrounding it.
trapezium: a four-sided figure in which no two sides are parallel.
Below it lies the city in a plain of the form of a trapezium, at the very foot of the Acrocorinthus.
To find the area of a trapezium: Divide it into two triangles and find the areas of the latter by the first rule.
His court must therefore have been a trapezium with its smallest side opposite to the pylon, rather than a rectangle.
There was a curious thirteenth-century chest, trapezium in form, and said to be the only one of that shape in the West of England.
So θ Orionis, or the trapezium of Orion, is a multiple star, probably lying in the midst of the nebula.
The city of Tralles is built upon ground in the shape somewhat of a trapezium.
Its form is that of a trapezium, or quadrilateral figure whose sides are unequal.
The bones were then dissected out, leaving the trapezium, which was not diseased, and hand placed on a splint.
1560s, from Late Latin trapezium, from Greek trapezion "irregular quadrilateral," literally "a little table," diminutive of trapeza "table," from tra- "four" (see four) + peza "foot, edge," related to pous (see foot (n.)). Before 1540s, Latin editions of Euclid used the Arabic word helmariphe. As the name of a bone in the wrist, it is recorded from 1840.
trapezium tra·pe·zi·um (trə-pē'zē-əm)
n. pl. tra·pe·zi·ums or tra·pe·zi·a (-zē-ə)
A quadrilateral having no parallel sides.
A bone in the wrist at the base of the thumb, articulating with the first and second metacarpal, scaphoid, and trapezoid bones.