Related Clues:

• Enclosure of bars
• Structure of bars or wire
• Alone it's made, by the sound of it
• This has you confined to what is a century old, perhaps
• If a century old, one might be confined there
• There's nothing in the rug to have water all round
• Do you need century-old bars for this?
• Here one might be confined to being a century old
• Barred form being a century old?
• A matter of hundred-year-old bars?
• Bars make one a century old
• This will keep you in till you are a century old
• A century old for 12 across
• Bars this if it's a century old
• Being barred when a century old