| Answer | Crossword Clue |
|---|---|
| shankpiece | an arch support |
| PIER | Support of an arch. |
| shankpieces | SHANKPIECE, an arch support |
| corbelling | Support (a structure such as an arch or balcony) on corbels |
| corbeling | Support (a structure such as an arch or balcony) on corbels |
| corbeled | Support (a structure such as an arch or balcony) on corbels |
| centering | Framing used to support an arch or dome while it is under construction |
| abutments | A structure built to support the lateral pressure of an arch or span, e.g., at the ends of a bridge |
