| Rating | Solver | Clue |
|---|---|---|
| CELL | Bounded space | |
| COVE | Small bounded space | |
| ILLIMITABLE | Incapable of being limited or bounded; immeasurable; limitless; boundless; as, illimitable space. | |
| CONCAVITY | A concave surface, or the space bounded by it; the state of being concave. | |
| SOLID | A magnitude which has length, breadth, and thickness; a part of space bounded on all sides. | |
| SECTANT | One of the portions of space bounded by the three coordinate planes. Specif. (Crystallog.), one of the parts of a crystal into which it is divided by the axial planes. | |
| AREOLATION | Any small space, bounded by some part different in color or structure, as the spaces bounded by the nervures of the wings of insects, or those by the veins of leaves; an areola. | |