bn:00078081n
Noun Concept
Categories: Articles with short description, All Wikipedia articles written in American English, Types of quadrilaterals, Elementary shapes
EN
trapezoid  trapezium  Trapezium and trapezoid  Area of a trapezoid  midsegment of a trapezoid
EN
A quadrilateral with two parallel sides WordNet 3.0
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EN
A quadrilateral with two parallel sides WordNet 3.0 & Open English WordNet
In geometry, a trapezoid in North American English, or trapezium in British English, is a quadrilateral that has at least one pair of parallel sides. Wikipedia
Convex quadrilateral with at least one pair of parallel sides Wikidata
A two-dimensional quadrilateral where two sides are parallel and the other two are not. OmegaWiki
A convex quadrilateral with no sides parallel and no equal sides. Wiktionary