Guarded in example sentence
The tipstaff, just looking over his shoulder to see that his charge was following close at his heels, preceded Mr. Pickwick into the prison; turning to the left, after they had entered, they passed through an open door into a lobby, from which a heavy gate, opposite to that by which they had entered, and which was guarded by a stout turnkey with the key in his hand, led at once into the interior of the prison.