Trapezoid
Trapezoid , noun
[Greek {not transcribed} trapezoid-shaped; {not transcribed} table + {not transcribed} shape, likeness: compare French trapézoide. See Trapezium.]
1.
(Geometry) A plane four-sided figure, having two sides parallel to each other.
2.
(Anatomy) A bone of the carpus at the base of the second metacarpal, or index finger.
Trapezoid , adjective
1.
Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle.
2.
(Anatomy) Of or pertaining to the trapezoid ligament; as, the trapezoid line.