coast guard

noun
Updated on: 12 May 2018

Definition of coast guard

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

Recent Examples of coast guard from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coast guard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of coast guard

1833

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

COAST GUARD Defined for Kids

coast guard

noun

Definition of coast guard for Students

: a military force that guards a coast and helps people on boats and ships that are in trouble


Seen and Heard

What made you want to look up coast guard? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

a case containing an explosive

Get Word of the Day daily email!

Test Your Vocabulary

May 2018 Words of the Day Quiz

  • spring-flowers
  • Which is a synonym of raillery?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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