HEAVY-ARMED Copy link • HEAVY-ARMEDgravis armaturae. Heavy-armed cavalry, equites gravis armaturae (general term): equites ferrati or cataphracti (cuirassiers). Heavy-armed infantry, pedites gravis armaturae; gravius peditum agmen (on the march): legiones (the Roman legions, which were always heavy-armed; opposed to levis armaturae; ☞ Cic., Phil., 10, 6, 14).