He lived in a solitary cell just long enough to lie in and wide enough to sit cross-legged.

Two weeks' solitary confinement was awarded but, because all the solitary cells were full, the would-be escapers were confined to two small rooms.

Corridors are lined with solitary cells.

Cells are often in unseparable chains, but may appear as solitary cells in some species.

The large outer exercise yard was bisected by a central radiating structure running to the rear perimeter wall which contained solitary cells and infirmaries.