Four bikers roared by and woke up the baby.That biker is wearing about a dozen earrings.
biker
noun a person who rides a motorbike. In Australia generally used as distinct from 'bikie' (a member of a motorcycle gang) US, 1968
biker
Someone who rides a motorcycle. The term is often used for members of motorcycle gangs. Oh, I was scared to death when those hulking bikers surrounded us.
biker
n. a motorcycle rider. Four bikers roared by and woke up the baby.