plural riders
1
: a person who rides something
a horseback rider
Watch out for bike riders while driving.
riders on the bus
2
a
: an official document that is attached to another document and that adds to or changes information in the original document
She added a rider to her life insurance policy that increased her coverage.
b
: an additional part added to a legislative bill
Congress added a rider to the health insurance bill.
Cite this Entry
“Rider.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/rider. Accessed 21 Jun. 2026.
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