Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: Modern Latin
Origin: trapezoïdes, from Greek, 'trapezium-shaped', from trapeza; TRAPEZIUM

trapezoid

 noun
     
Related topics: Shapes, Patterns
trap‧e‧zoid [countable] technical
1CF British English a shape with four sides, none of which are parallel
2 American EnglishCF a shape with four sides, only two of which are parallel
Definition from the Longman Dictionary of Contemporary English
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