Coast Guard
Americannoun
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U.S. Military. a military service under the Department of Transportation, which in peacetime enforces maritime laws, saves lives and property at sea, and maintains aids to navigation, and which in wartime may be placed under the Navy Department to augment the navy.
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(lowercase) any similar organization for aiding navigation, preventing smuggling, etc.
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Also called coastguardsman. (lowercase) a member of any such organization.
Etymology
Origin of Coast Guard
First recorded in 1825–35
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 National Park is overseeing salvage efforts, with Coast Guard personnel assessing potential pollution risks and the need for debris removal.
From Los Angeles Times ● Sep. 18, 2026
“Our deepest condolences go out to the family and loved ones of the individual who lost his life,” Capt. Jarod Toczko, commander of Coast Guard Sector San Francisco, said in a statement.
From Los Angeles Times ● Sep. 18, 2026
The Coast Guard has specialized teams trained to respond to and investigate these kinds of attacks.
From The Wall Street Journal ● Sep. 16, 2026
DHS consolidated a whole bunch of agencies under its auspices, from the Coast Guard to Federal Emergency Management Agency, but its most consequential new department was the U.S.
From Salon ● Sep. 13, 2026
Her official employer, she learned, would be the Treasury Department, which oversaw both the Bureau of Prohibition and the Coast Guard.
From "The Woman All Spies Fear" by Amy Butler Greenfield
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
