a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it, One who rides or travels in a train, motor vehicle, boat, ship, ferry, hovercraft, aircraft, etc., but who does not operate it and is not a member of the crew, A traveler by some established conveyance, as a coach, steamboat, railroad train, etc, verb_ intransitive To ride as a passenger in a vehicle