| 1. | a person who rides a horse or other animal, a bicycle, etc. |
| 2. | something that rides. |
| 3. | an additional clause, usually unrelated to the main body, attached to a legislative bill in passing it. |
| 4. | an addition or amendment to a document, testament, etc. |
| 5. | any object or device that straddles, is mounted upon, or is attached to something else. |
| 6. | a rail or stake used to brace the corners in a snake fence. |
| 7. | Shipbuilding. any of various members following and reinforcing primary framing members, esp. a plate or timber running along the top of a keel. |
| 8. | Numismatics.
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A provision, usually controversial and unlikely to pass on its own merits, that is attached to a popular bill in the hopes that it will “ride” to passage on the back of the popular bill.