trapezium
noun /trəˈpiːziəm/
/trəˈpiːziəm/
(plural trapeziums, trapezia
(geometry /trəˈpiːziə/
/trəˈpiːziə/
)- enlarge image(British English)(North American English trapezoid)a flat shape with four straight sides, one pair of opposite sides being parallel (= the same distance apart at every point) and the other pair not parallel
梯形 - (North American English) (British English trapezoid)a flat shape with four straight sides, none of which are parallel (= the same distance apart at every point)
不规则四边形
词源late 16th cent.: via late Latin from Greek trapezion, from trapeza ‘table’.