bn:00078081n
Noun Concept
Categories: Types of quadrilaterals, All Wikipedia articles written in American English, Elementary shapes, Articles with short description
EN
trapezoid  trapezium
EN
A quadrilateral with two parallel sides WordNet 3.0
Definitions
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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