parallelogram

noun2

1. •
   A convex quadrilateral in which each pair of opposite edges are parallel and of equal length.
2. •
   (old-fashioned) either of two rectangular areas (respectively the large parallelogram and the small parallelogram) abutting the goal line in front of the goal. (Since 1986 officially named the large rectangle and small rectangle, though the older names are still occasionally used.)

   • Goulding was fouled in the small parallelogram and O’Connor nicked the penalty into the net off the post. — 2009