1. a defensive wall or embankment built around a castle, fort, or city
2. something that serves as a protective barrier or defense
Usage: figurative

1. to fortify or protect with or as if with a rampart
Usage: transitive

Examples

• The medieval castle was surrounded by high stone ramparts.
• Soldiers patrolled the ramparts throughout the night.
• The mountains served as a natural rampart against invasion.
• Education is often called the rampart of democracy.
• The city ramparted itself against the approaching army.
• Dense forests ramparted the village from harsh winds.