'Stowaway' definitions:
Definition of 'stowaway'
From: WordNet
noun
A person who hides aboard a ship or plane in the hope of getting free passage
Definition of 'Stowaway'
From: GCIDE
- Stowaway \Stow"a*way`\, n. One who conceals himself board of a vessel about to leave port, or on a railway train, in order to obtain a free passage. [1913 Webster]