coast guard

1 ENTRIES FOUND:
coast guard (US) noun
or British coastguard
plural coast guards
coast guard (US)
noun
or British coastguard
plural coast guards
Britannica Dictionary definition of COAST GUARD
1 
US the Coast Guard or Brit the Coastguard : an organization that has the job of guarding the area along a country's coast and helping people, boats, and ships that are in danger on the sea
◊ The U.S. Coast Guard is a military organization.
— often used before another noun
2 
[count] British : a member of the Coastguard