coast guard

noun

1
: a military or naval force employed in guarding a coast or responsible for the safety, order, and operation of maritime traffic in neighboring waters
2
usually coastguard chiefly British : coastguardsman

Examples of coast guard in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This screenshot from a Chinese coast guard video shows the agency deploying a water cannon against a Philippine fisheries bureau vessel near Scarborough Shoal in the Philippine exclusive economic zone on September 16, 2025. Micah McCartney, MSNBC Newsweek, 17 Sep. 2025 China seized the uninhabited atoll – 870 km (540 miles) from its southernmost province of Hainan – in 2012 after a long standoff with the Philippine Navy, and has maintained an almost constant coast guard presence in nearby waters since. Nectar Gan, CNN Money, 11 Sep. 2025 Among other activities over the weekend will be a pair of car shows, water ski exhibitions, and coast guard search-and-rescue demonstrations. Bill Center, San Diego Union-Tribune, 11 Sep. 2025 Sailors battling the flames received assistance from the crew of the USS San Diego, a similar ship moored nearby, along with the Japanese military and coast guard. Chloe Yang, NBC news, 21 Aug. 2025 See All Example Sentences for coast guard

Word History

First Known Use

1833, in the meaning defined at sense 1

Time Traveler
The first known use of coast guard was in 1833

Browse Nearby Words

Cite this Entry

“Coast guard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coast%20guard. Accessed 20 Sep. 2025.

Kids Definition

coast guard

noun
1
: a seagoing force for protecting a coast and people and property at sea
2
usually coastguard chiefly British : coastguardsman

More from Merriam-Webster on coast guard

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!