| Answer | Crossword Clue |
|---|---|
| staunch | (of a wall) Of strong or firm construction |
| stancher | (of a wall) Of strong or firm construction |
| stanchest | (of a wall) Of strong or firm construction |
| staunchest | (of a wall) Of strong or firm construction |
| quadratura | (Italian) a wall or ceiling painted with arches and columns in strong perspective |
| solidity | The quality or state of being firm or strong in structure |
