WordReference Random House Learner's Dictionary of American English © 2026
ˈCoast ˌGuard, n. 
  1. Military[proper noun* usually: the + ~] a U.S. military service whose duty is to enforce laws of the sea, save lives and property at sea, etc.

WordReference Random House Unabridged Dictionary of American English © 2026
Coast′ Guard′, 
    1. Military[U.S. Mil.]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. (l.c.) any similar organization for aiding navigation, preventing smuggling, etc.
    3. (l.c.) Also called coastguardsman. a member of any such organization.
    • 1825–35

'Coast Guard' also found in these entries (note: many are not synonyms or translations):
CG - International Ice Patrol - USCG - cadet - carabinero - chief petty officer - coast-guard cutter - coastguardsman - ensign - personal flotation device - ramark - rear admiral - semper paratus - spar - swabby

Forum discussions with the word(s) "Coast Guard" in the title:


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