trapezoid

noun4

1. •
   (US, Canada) A (convex) quadrilateral with two (non-adjacent) parallel sides.

   • There was a trapezoid of light on his shoulder, some bright fragment torn from a greater plane. — 2023
2. •
   The marked trapezoidal area immediately behind the goal line and the goal itself within which the goaltender may touch the puck.
3. •
   The trapezoid bone of the wrist.
4. •
   (UK, Australia) A convex quadrilateral with no sides parallel.