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

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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.

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Example Sentences

See Examples For:

Department of Defense

Farley also addressed The Wall Street Journal’s recent report that Ford secured a contract with the Department of Defense to build prototype tactical trucks.

From The Wall Street Journal ● Jul. 28, 2026

The BBC has reached out to the Department of Defense for comment.

From BBC ● Jul. 27, 2026

U.S. authorities deny any part in the puzzling series of events, which involved a pair of 35-ton fishing craft — not the sleek speedboats typically pictured in Department of Defense videos of maritime strikes.

From Los Angeles Times ● Jun. 15, 2026

Department of Defense announced a new multi-billion dollar contract with the computer maker.

From Barron's ● May 28, 2026

Dear Nettie, The only piece of mail Mr. ever put directly in my hand is a telegram that come from the United States Department of Defense.

From "The Color Purple" by Alice Walker