escarpment

Noun

1. a long steep slope or cliff at the edge of a plateau or ridge; usually formed by erosion
   • Synonyms
     • scarp
   • Less specific
     • slope
     • incline
     • side
2. a steep artificial slope in front of a fortification
   • Synonyms
     • escarp
     • scarp
     • protective embankment
   • Less specific
     • fortification
     • munition