Rider
WordNet
noun
(1) A clause that is appended to a legislative bill
(2) A traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it
(3) A traveler who actively rides an animal (as a horse or camel)
(4) A traveler who actively rides a vehicle (as a bicycle or motorcycle)
WiktionaryText
Noun
- one who rides, often a horse or motorcycle
- a provision annexed to a bill under the consideration of a legislature, having little connection with the subject matter of the bill
- an amendment or addition to an entertainer's performance contract, often covering a performer's equipment or food, drinks, and general comfort requirements