1. a raised structure of earth, stone, or other material built to hold back water or support a road or railway
2. a sloping wall of earth or stone that supports or protects something

Examples

• The river embankment prevented flooding during the heavy rains.
• Workers reinforced the railway embankment after the landslide.
• We walked along the grassy embankment beside the canal.
• The highway was built on a high embankment through the valley.
• The old stone embankment has protected the town for over a century.
• Construction crews are building a new embankment to support the bridge.