| Oskar had nothing but his fists with which to fill the two concavities. |
| In time, they would develop concavities, and would require laborious grinding to put them back into shape. |
| Ben Tre finishes the work by hand, often coating the concavities with color or gold leaf. |
| The shape of Taormina is a geometry of interlocking and contrapuntal curves and concavities with various centres and focal points. |
| The light from above distorts in the concavities formed at the points on which the strider rests. |
| In the condition known as koilonychia, the nails are flattened and have concavities. |
