Русско-англо-русский юридический словарь

The method introduced harsher legislative measures for bikies, including bans on members gathering in public, longer prison sentences and solitary confinement when behind bars. (dailymail.co.uk)

Solitary confinement is a form of imprisonment distinguished by living in a single cell with little or no meaningful contact with other people. (Wikipedia)

I’d been filming for four months in the punishment wing of the Maine State Prison when I asked an officer to lock me in a solitary confinement cell. I wanted to know what it was like to be shut in a concrete box, six feet wide and ten feet long. (BBC Two)

In the United States federal prison system, solitary confinement is known as the Special Housing Unit (SHU), pronounced like "shoe" (/ʃuː/). California's prison system also uses the abbreviation SHU, but it stands for Security Housing Units. (Wikipedia)