noun (n)

• a temporary fortification built by troops in the field

  sementara fortification dibangun oleh pasukan di lapangan

  source: wordnet30
• Any temporary fortification thrown up by an army in the field; - - commonly in the plural.

  setiap sementara fortification dilemparkan oleh pasukan di lapangan; - - umumnya di jamak.

  source: webster1913