Definition of earthwork noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɜːθwɜːk//
; NAmE NAmE//ˈɜːrθwɜːrk//
[usually plural]
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a large bank of earth that was built long ago in the past and used as a defence A castle and extensive earthworks are still to be found in the area.
See the Oxford Advanced American Dictionary entry: earthwork