1. defensive walls or embankments built around a castle, fort, or city
Usage: usually plural
2. anything serving as a defense or protection
Usage: figurative

Examples

• The medieval castle’s ramparts offered protection from enemy attacks.
• Soldiers patrolled the stone ramparts throughout the night.
• The city’s ancient ramparts still stand after centuries.
• From the ramparts, guards could see approaching armies.
• The constitution serves as ramparts against tyranny.
• Education acts as ramparts against ignorance and prejudice.