terraplén betyder på engelska

bank [banks]▼(embankment, an earth slope)
noun
[UK: bæŋk] [US: ˈbæŋk]

embankment [embankments]▼(artificial mound of earth and stone)
noun
[UK: ɪm.ˈbæŋk.mənt] [US: em.ˈbæŋk.mənt]

rampart [ramparts]▼(defensive ridge of earth)
noun
[UK: ˈræm.pɑːt] [US: ˈræm.pɑːrt]