defense department

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defense department

The Defense Department coordinates military operations from its headquarters.

Definition
  1. Proper noun:
    • The United States federal executive department responsible for coordinating and supervising all agencies and functions of the government directly related to national security and the United States Armed Forces. It is a major cabinet-level department.
Usage
  • The term "Defense Department" is used to refer specifically to this U.S. government institution. It is often capitalized.
  • It is commonly used in formal, political, military, and journalistic contexts.
Examples
  • Proper noun:
    • The Secretary of the Defense Department will testify before Congress tomorrow.
    • Funding for the new project was approved by the Defense Department.
    • The report was issued by the Defense Department.
Advanced Usage
  • "the Department of Defense (DoD)": This is the full official name and the most formal way to refer to the department. "Defense Department" is a common shorthand.
    • The Department of Defense is headquartered at the Pentagon.
Variants and Related Words
  • Department of Defense (DoD): The full official name.
  • Pentagon: A metonym for the Defense Department, referring to the shape of its headquarters building.
    • The Pentagon released a statement today.
  • Secretary of Defense: The title of the department's head.
Synonyms
  • DoD: The standard acronym.
  • War Department (historical): The predecessor department (1789–1947).
Notes
  • The "Defense Department" was created by the National Security Act of 1947, consolidating the former War Department and the Department of the Navy.
  • It is distinct from the defense ministries or departments of other nations, which have different names (e.g., Ministry of Defence in the UK).
defense department

The Defense Department coordinates military operations from its headquarters.

Noun
  1. the federal department responsible for safeguarding national security of the United States; created in 1947