Dictionary.com

Coast Guard

Save This Word!

noun
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.
(lowercase) any similar organization for aiding navigation, preventing smuggling, etc.
(lowercase)Also called coastguardsman. a member of any such organization.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of Coast Guard

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use Coast Guard in a sentence

British Dictionary definitions for Coast Guard

coastguard
/ (ˈkəʊstˌɡɑːd) /

noun
a maritime force which aids shipping, saves lives at sea, prevents smuggling, etc
Also called: coastguardsman a member of such a force
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK