| Rating | Solver | Clue |
|---|---|---|
| RECTANGULAR | Quadrilateral | |
| RECTANGLE | Quadrilateral | |
| RECTANGLES | Quadrilateral figures | |
| QUADRILATERALNESS | The property of being quadrilateral. | |
| TRAPEZIUM | Quadrilateral with one pair of opposite sides parallel | |
| KITE | A quadrilateral, one of whose diagonals is an axis of symmetry. | |
| DIPLOID | A solid bounded by twenty-four similar quadrilateral faces. It is a hemihedral form of the hexoctahedron. | |
| DELTOHEDRON | A solid bounded by twelve quadrilateral faces. It is a hemihedral form of the isometric system, allied to the tetrahedron. | |
| QUADRILATERAL | An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano. | |
| DIAGONAL | Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides. | |
| PARALLELOGRAM | A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; -- sometimes restricted in popular usage to a re... | |
| RHOMB | An equilateral parallelogram, or quadrilateral figure whose sides are equal and the opposite sides parallel. The angles may be unequal, two bei... | |