biker

American  

[bahy-ker] / ˈbaɪ kər /

noun

1. a person who rides a bicycle, motorcycle, or motorbike, especially in competition or as a hobby.

2. Informal. a member of a motorcycle gang.

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biker British  

/ ˈbaɪkə /

noun

1. informal a member of a motorcyle gang

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Etymology

Origin of biker

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

Example Sentences

"My second best sport I do is cycling since I'm 10. For a hobby biker who is not cycling in winter, I'm a really good endurance athlete. Cycling is my second life."

From Barron's • Feb. 22, 2026

Nothing is careless about “The Pitt”—when a biker arrives, DOA, a few episodes later, you know people are thinking.

From The Wall Street Journal • Jan. 6, 2026

It’s why he spends much of the film in uniform, as a traffic warden, as a member of a barbershop quartet, and later as the new member of Ray’s biker gang.

From Los Angeles Times • Dec. 23, 2025

Ms Miller, a keen cyclist and mountain biker, is organizing a group ride to help ensure Ms Bunyan's remains can be returned to the UK.

From BBC • Sep. 30, 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