RIDER

Definition of RIDER

  1. (noun)a traveler who actively rides an animal (as a horse or camel)
  2. (noun)a clause that is appended to a legislative bill
  3. (noun)a traveler who actively rides a vehicle (as a bicycle or motorcycle)
  4. (noun)a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it