Department of Defense, the - Definition from Longman English Dictionary Online

Department of Defense, the

Department of Defense, the

the US government department which is responsible for the military forces in the US, that is, the Army, Navy, Air Force, and Marines. In the UK there is a similar department called the Ministry of Defence.

➔ Pentagon

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day

Do you know what each of these is called?

Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Advertising and Marketing Animals Biology Computers Clothes Daily Life Education Finance Food Grammar Illness and Disability Law Music School Sport Technology

Browse the dictionary

Department for Culture, Media and Sport

Department for Education and Skills, the

Department for Environment, Food and Rural Affairs, the

Department for International Development, the

Department for Work and Pensions

Department of Defense, the

Department of Education, the

Department of Health and Human Services, the

Department of Health, the

Department of Homeland security

Department of Housing and Urban Development, the