[ rahy-der ]
/ ˈraɪ dər /


Origin of rider

before 1100; Middle English ridere, Old English. See ride, -er1


rid·er·less, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for rider

British Dictionary definitions for rider

/ (ˈraɪdə) /


a person or thing that rides, esp a person who rides a horse, a bicycle, or a motorcycle
an additional clause, amendment, or stipulation added to a legal or other document, esp (in Britain) a legislative bill at its third reading
British a statement made by a jury in addition to its verdict, such as a recommendation for mercy
any of various objects or devices resting on, surmounting, or strengthening something else
a small weight that can be slid along one arm of a chemical balance to make fine adjustments during weighing
geology a thin seam, esp of coal or mineral ore, overlying a thicker seam

Derived forms of rider

riderless, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for rider


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.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.