coast guard (US) or Brit coast·guard noun
plural ∼ guards 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.
▪ Their son joined the Coast Guard last year. — often used before another noun ▪ Coast Guard officials 2 [count] Brit : a member of the Coastguard
▪ Their son joined the Coast Guard last year. — often used before another noun ▪ Coast Guard officials
