Possible Clues:

• Imprisonment
• Confinement
• Captivity
• Popular type from a forecourt showing off a Citroen from lock-up
• Imprisonment of one contrarian upset about Church of England
• Imprisonment, or in relation to a hernia, inability to be massaged back into place
• Judicial confinement
• Jail
• Incorporated discharge time into revised custodial sentence
• Under custody with fixed amount of food, eating cold porridge