trapezoidal

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  11. trapezoidal
Scope note
In North America, the form or shape of quadrilateral figures having one pair of parallel and one pair of nonparallel sides. In Britain and certain other places, these figures are called a "trapeziums." "Trapezium" has a different meaning in North America, referring to figures having no parallel sides.
trapezoidal
Accepted term: 30-Sep-2024