Related Clues:

• Retain in old castle (4)
• Stronghold into which people could go for shelter during a battle
• Temporary fortification
• Keep a rook on board
• Tall enough to be quite a draw, perhaps
• Will it give one a tug? That's a tall order
• You won't give anything away if you look up to it
• Keep this on board for a rook
• The way one was leading a jerk up to the strong place
• No, Sir, that scrap is up at the barracks
• It's safe to say that with a tie one would get clad
• If there's a rook on board, keep it
• Is it for the army, that fish? No, Sir, it's up to there
• No, sir! The scrap is back for the military
• There's a rook on board