coast‧guard /ˈkəʊstɡɑːd $ ˈkoʊstɡɑːrd/ noun

1. the Coastguard [also + plural verb British English] the organization that helps swimmers and ships that are in danger and helps to prevent illegal activities around the coast:
the Coastguard station at Stornoway
Contact the Coastguard immediately if you see a boat in trouble.

2. [countable] British English a member of this organization

[TahlilGaran] Dictionary of Contemporary English ▲