/ trəˈpiːziəm; NAmE / noun ( pl. tra·pez·iums or tra·pezia / trəˈpiːziə; NAmE /) ( geometry )
1.
( BrE ) ( NAmE trap·ez·oid ) a flat shape with four straight sides, one pair of opposite sides being parallel and the other pair not parallel
2.
( NAmE ) = trapezoid
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WORD ORIGIN
late 16th cent.: via late Latin from Greek trapezion , from trapeza table.