rider (n.)

  1. a traveler who actively rides an animal (as a horse or camel)

  2. a clause that is appended to a legislative bill

  3. a traveler who actively rides a vehicle (as a bicycle or motorcycle)

  4. a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it

    [ Syn: passenger ]

The dictionary is based on the WordNet Electronic Lexical Database.
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