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Department of Defense

American  

noun

  1. the department of the U.S. federal government charged with ensuring that the military capacity of the U.S. is adequate to safeguard the national security. DOD


Department of Defense Cultural  
  1. A department of the federal executive branch entrusted with formulating military policies and maintaining American military forces. Its top official is the civilian secretary of defense. It is headquartered in the Pentagon.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The lawmakers called for a solution that ensures that "the Department of Defense will not jeopardize safety and disrupt the freedom to travel."

From Barron's

The US military boarded an oil tanker after tracking it for thousands of miles from the Caribbean to the Indian Ocean, the Department of Defense said.

From BBC

Department of Defense’s initial 2004 Darpa Grand Challenge to a surprisingly smooth ride around San Francisco or an easy morning commute using Tesla’s Full Self-Driving product.

From Barron's

RTX announced five agreements with the Department of Defense to increase production of various missiles.

From Barron's

Department of Defense and military organizations around the world, is not only making money from its artificial-intelligence expertise but also convincing companies, governments, and investors that it can do so at scale.

From Barron's