| concavo-convex | |
| —adj | |
| 1. | having one side concave and the other side convex |
| 2. | Compare convexo-concave (of a lens) having a concave face with greater curvature than the convex face |
| a fool or simpleton; ninny. |
| a gadget; dingus; thingumbob. |
concavo-convex con·ca·vo-con·vex (kŏn-kā'vō-kŏn-věks')
adj.
Of or being concave on one surface and convex on the opposite surface.