tra·pe·zi·um
noun/trəˈpiːziəm/
/trəˈpiːziəm/
(plural trapeziums, trapezia
(geometry)/trəˈpiːziə/
/trəˈpiːziə/
)- (British English)
enlarge image(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
Word Originlate 16th cent.: via late Latin from Greek trapezion, from trapeza ‘table’.