Earthwork

//ˈɝθwɝk// noun

Definitions

Noun
  1. 1
    Any structure made from earth, especially an embankment used for fortification or flood control.

    "At the moment only some 35 miles of earthwork have been completed from Qum, and no permanent way has been laid."

  2. 2
    an earthen rampart wordnet

Etymology

From earth + work. First attested in the 1630s.

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