From Longman Dictionary of Contemporary Englishcabin boyˈcabin boy noun [countable] BOTTWa young man who works as a servant on a ship
Examples from the Corpus
cabin boy• On board ship he invariably tried to hoodwink other people, even a cabin boy, into paying for his sherry.• PipThe Negro cabin boy who loses his mind when abandoned temporarily in the sea.• While making Slave Ship in 1937, he had to slap cabin boy Mickey Rooney around.• Man is so constructed that such isolation is too immense to conceive and the young cabin boy loses his rational faculties. 