53: roue et tenailles mordantes, «the wheel (of torture) and the biting (red-hot) pincers.»
54: chevalets, «wooden horses»: trestles with a sharp ridge, upon which victims were set astride for torture.
55: lampes ardentes, «fires», applied with careful ingenuity to the feet, generally.
56: Je te rends ce cor, see note 86, act III.
57: Avec Dieu dans ceci je suis d'intelligence, «God is on my side in this.»
58: dès ce soir, simply, «this evening».
59: le traître, meaning Charles, whom he considers the real traitor.
60: S'il périt, means Hernani.
61: sans nous y soustraire, «without ever giving up», «without defection».
62: Jurons sur cette croix. His sword, like a crusader's, had a guard at right angles to the hilt, thus forming across.