| Rating | Solver | Clue |
|---|---|---|
| CARAPACE | Protective shell | |
| LORICA | The protective case or shell of an infusorian or rotifer. | |
| CLYPEATE | Furnished with a shield, or a protective plate or shell. | |
| Any hard protective covering of an animal, as the scales and plates of reptiles, shell of a lobster, etc. |