tra ‧ pe ‧ zi ‧ um /trəˈpiːziəm/ BrE AmE noun [countable] technical
[ Date: 1500-1600 ; Language: Modern Latin ; Origin: Greek trapezion 'small table, trapezium' , from trapeza 'table' , from tra- 'four' + peza 'foot' ]
1 . British English a shape with four sides, only two of which are parallel
2 . American English a shape with four sides, none of which are parallel