Other forms: bikers
A biker is somebody who rides a motorcycle, often in a group. A biker jacket, a group of bikers, biker culture.
In Britain the word means a motorcyclist and usually one for whom it is a way of life rather than transport. In America a cyclist may also be called a biker, which causes confusion between the two countries constantly.
1nounbikerSomebody who rides a motorcycle, often in a group.
“A group of bikers in leather jackets roared past on their motorcycles.”
biker is a person.
From bike + -er.
Etymology from Wiktionary, CC BY-SA