From Longman Dictionary of Contemporary Englishbreakerbreak‧er /ˈbreɪkə $ -ər/ noun [countable] DNWATERa large wave with a white top that rolls onto the shore → circuit breaker
Examples from the Corpus
breaker• Always use a circuit breaker for added safety.• Investigators found faulty wiring leading to the pool and no updated circuit breakers that might have saved her life.• The electricity supply industry and others use it to insulate high-voltage circuit breakers and cables.• A penny bought three jaw breakers or two sticks of licorice.• Between them the sea came in from two directions, sending a constantly renewed chevron of breakers toward the beach.• You can hear the faint roar of the breakers on its empty sandy beaches.• The breakers were as high as the houses, shattering against the sea wall and on to the beach. 