https://www.mathopenref.com/trapezium.html

A trapezium is defined by the properties it does not have. It has no parallel sides. Any quadrilateral drawn at random would probably be a trapezium. Since it has ...

https://www.mathsisfun.com/definitions/trapezium.html

Illustrated definition of Trapezium: A flat shape with 4 straight sides NONE of which are parallel. i(Called a trapezoid in the UK. Both US and...

https://www.mathsisfun.com/definitions/trapezoid.html

Illustrated definition of Trapezoid: A flat shape with 4 straight sides that has a pair of opposite sides parallel. i(Called a trapezium in the...

https://en.wikipedia.org/wiki/Trapezium

Trapezium, describing a geometric shape, has two contradictory meanings: Outside the US and Canada: a quadrilateral with at least one pair of parallel sides In ...

http://mathworld.wolfram.com/Trapezium.html

Trapezium. There are two common definitions of the trapezium. The American definition is a quadrilateral with no parallel sides; the British definition is a ...

http://www.amathsdictionaryforkids.com/qr/t/trapezium.html

Tt. trapezium, trapezoid. • a trapezium (UK) or a trapezoid (US) is a quadrilateral with at least one pair of parallel sides. • Parallel sides are called bases.

https://www.quora.com/What-is-the-definition-of-trapezium

In this case a trapezium is a quadrilateral with a pair of parallel sides. (American English speakers call this shape a trapezoid.) Or do you use ...

https://dictionary.cambridge.org/us/dictionary/english/trapezium

trapezium meaning: 1. a flat shape with four sides, where two of the sides are parallel 2. a flat shape with four sides, where no sides are parallel 3. a bone in the ...

https://www.thefreedictionary.com/Trapezium+(shape)

Trapezium (shape) synonyms, Trapezium (shape) pronunciation, Trapezium ( shape) translation, English dictionary definition of Trapezium (shape). quadrilateral ...

https://www.merriam-webster.com/dictionary/trapezium

English Language Learners Definition of trapezium. geometry. US : a four-sided shape that has no parallel sides. See the full definition for trapezium in the ...