| Answer | Crossword Clue |
|---|---|
| OGEE | Molding with one side convex, the other concave. |
| LENS | Concave or convex object |
| WOK | Concave cooker, or is it convex? |
| ESS | Shape that is both concave and convex |
| OGEE | It consists of a concave and a convex segment |
| SCOTIA | Hollow concave molding |
