English to English

noun (n)

• any organization whose responsibility it is to defend against something

  adanya organisasi yang bertanggungjawab untuk mempertahankan terhadap sesuatu

  Synonym:
  line of defense
  

  source: wordnet30
• defensive structure consisting of a barrier that can be employed for defense against attack

  pertahanan struktur consisting dari penghalang itu boleh digunakan untuk pertahanan terhadap serangan

  source: wordnet30