noun A person either admitted to a theatrical or musical performance without charge, or paid to attend.
noun An employee of a transport company, especially a pilot or flight attendant, traveling as a passenger for logistical reasons, for example to return home or travel to the next assignment.
noun Anyone traveling for free, without paying the expected fare.
noun A train or truck moved between cities with no passengers or freight, in order to make it available for service.
noun A person staying at a lodging, such as a hotel or boarding house, without paying rent; freeloader.
noun A stupid or boring person; dullard.
noun A tree or tree branch fixed in the bottom of a river or other navigable body of water, partially submerged or rising nearly the surface, by which boats are sometimes pierced and sunk; snag.