Meaning of terreplein | Babel Free

Definitions

1. The sloping earthen embankment behind a defensive wall.
   obsolete
2. The level platform atop a wall, typically protected by a parapet and (strictly) distinguished from the slightly higher banquette used by its defenders.
3. Any level base used by artillery in the field.
4. Any earthen embankment with a broad level top, such as those used for a canal elevated above a valley floor.

CEFR level