stowaway /ˈstəʊəˌweɪ/ noun1 •A person who hides on board a ship, train, etc. so as to get a free passage.“Oh, I don't mind 'em, sir,” said Archy; “I knew it all before now. Didn't I hear 'em in the hold? And didn't I tell Cabaco here of it? What say ye, Cabaco? They are stowaways, Mr. Flask.” — 1851 formsstowaways