n. [ Gr. &unr_; trapezoid-shaped; &unr_; table + &unr_; shape, likeness: cf. F. trapézoïde. See Trapezium. ] 1. (Geom.) A plane four-sided figure, having two sides parallel to each other. [ 1913 Webster ]
2. (Anat.) A bone of the carpus at the base of the second metacarpal, or index finger. [ 1913 Webster ]