biker

American

[bahy-ker] / ˈbaɪ kər /

noun

a person who rides a bicycle, motorcycle, or motorbike, especially in competition or as a hobby.
Informal. a member of a motorcycle gang.

biker British

/ ˈbaɪkə /

noun

informal a member of a motorcyle gang

"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

Etymology

Origin of biker

First recorded in 1880–85; bike ¹ + -er ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It included biker jackets adorned with bejeweled crosses and, in the finale, a halter top that featured the Virgin Mary made out of a mosaic of jewels.

From Salon • May 17, 2026

A restaurant called Route 60 has a U.S. vibe and biker fans.

From The Wall Street Journal • Mar. 25, 2026

I predict only that Huang will give his keynote in his signature leather biker jacket.

From Barron's • Mar. 13, 2026

The BBC's investigation reveals how widespread his hiring of members of the biker gang has been, notably to better-paid jobs leading the UGS armed security teams.

From BBC • Sep. 10, 2025

I’ve tried them both on, mixing with biker boots and plaid pants...definitely not working.

From "Watch Us Rise" by Renée Watson and Ellen Hagan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023