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.
The International Convention for the Safety of Life at Sea – signed by 167 countries – requires almost every commercial vessel to carry a radio transponder that broadcasts the ship’s identity, position, speed and heading to port authorities, coast guards and commercial tracking networks. Charles Edward Gehrke, The Conversation, 10 Mar. 2026 The island’s Interior Ministry announced on Thursday night that Roberto Álvarez Ávila died as a result of his injuries during a shootout at sea with the Cuban coast guard. Syra Ortiz Blanes, Miami Herald, 6 Mar. 2026 The Cuban coast guard shot and killed four other people aboard the boat, which came within one nautical mile of the Caribbean island's shores. CBS News, 6 Mar. 2026 According to Sri Lanka’s Foreign Affairs Minister Vijitha Herath, the country’s coast guard received a distress call at 5:08 a.m. local time Wednesday from the Iranian vessel reporting an explosion. Emma Bussey, FOXNews.com, 4 Mar. 2026 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 15 Mar. 2026.

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

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