trapezoid

trapezoid
[ˈtrapɪzɔɪd, trəˈpiːzɔɪd]
noun

(Geometry)a type of quadrilateral
(几何)（一种）四边形
■(Brit.)a quadrilateral with no sides parallel
(英)不规则四边形
■(N. Amer.)a quadrilateral with one pair of sides parallel
(北美)梯形。比较trapezium
(亦作 trapezoid bone)(Anatomy)a small carpal bone in the base of the hand, articulating with the metacarpal of the index finger
(剖)（腕部近食指根底处的）小多角骨

派生
trapezoidal
adjective
语源

early 18th cent.: from modern Latin trapezoides, from late Greek trapezoeidēs, from trapeza 'table' (see trapezium)

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