trap·e·zoid /ˈtræpəˌzɔɪd/
梯形,不等邊四邊形
trap·e·zoid /ˈtræpəˌzɔɪd/ 名詞
小多角骨,梯形的,斜方形的
Trap·e·zoid n.
1. Geom. A plane four-sided figure, having two sides parallel to each other.
2. Anat. A bone of the carpus at the base of the second metacarpal, or index finger.
Trap·e·zoid, a.
1. Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle.
2. Anat. Of or pertaining to the trapezoid ligament; as, the trapezoid line.
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trapezoid
n 1: a quadrilateral with two parallel sides
2: the wrist bone between the trapezium and the capitate bones
[syn: trapezoid bone, os trapezoideum]