rider
US /ˈraɪ.dɚ/
UK /ˈraɪ.dɚ/
1.
a person who is riding a horse, bicycle, motorcycle, or other vehicle.
:
•
The experienced horse rider guided her mare through the obstacle course.
•
He's a skilled mountain bike rider.
2.
an additional clause or an amendment to a legislative bill or other document.
:
•
They added a last-minute rider to the contract.
•
The bill passed with a controversial rider attached.