trapezoid
/ˈtræpɪzɔɪd/noun
1
- Geometry a type of quadrilateral【几何】（一种）四边形：
1.1
- Brit. a quadrilateral with no sides parallel〈英〉不规则四边形。
1.2
- N. Amer. a quadrilateral with one pair of sides parallel〈北美〉梯形。比较TRAPEZIUM.
2
- （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。
派生词
trapezoidal
adjective词源
early 18th cent.: from modern Latin trapezoides, from late Greek trapezoeidēs, from trapeza 'table' （see TRAPEZIUM）.