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Coast Guard

American  

noun

  1. 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.

  2. (lowercase) any similar organization for aiding navigation, preventing smuggling, etc.

  3. 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.

See Examples For:

A statement by Manila's foreign ministry said Lazaro "reiterated the Philippines' strong protest over the violent actions committed by China Coast Guard personnel", referring to the clash at the disputed shoal this week.

From Barron's Jul. 22, 2026

Coast Guard Lieutenant Mohammad Rawnak Rahman patrols the mouth of the Naf, the river that marks the border between Bangladesh and Myanmar.

From Barron's Jul. 21, 2026

Coast Guard and other partners to evaluate recovery options and determine whether it can be recovered from the ocean floor.

From Los Angeles Times Jul. 17, 2026

Analysts said the Coast Guard ships could help make up for U.S.

From The Wall Street Journal Jul. 15, 2026

By the time she returned to the Coast Guard, the government was slashing jobs right and left.

From "The Woman All Spies Fear" by Amy Butler Greenfield

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