TRAPEZIA
- any rectilinear quadrilateral plane figure not a parallelogram; such a figure of which no two sides are parallel; such a figure having two parallel and two nonparallel sides
- bone in the wrist that articulates with the metacarpal bone of the thumb
- four-sided polygons having no parallel sides [n TRAPEZIA]
- TRAPEZIUM, any quadrilateral that is not a parallelogram [n]