ˈraɪdə(r)
ˈraɪdər
1 a person who rides a horse, bicycle or motorcycleThree riders (= people riding horses) were approaching.horses and their ridersShe's an experienced rider.a motorcycle dispatch rider2 rider (to something) an extra piece of information that is added to an official document
Definition of rider noun from the Oxford Advanced Learner's Dictionary
1 a person who rides a horse, bicycle or motorcycleThree riders (= people riding horses) were approaching.horses and their ridersShe's an experienced rider.a motorcycle dispatch rider2 rider (to something) an extra piece of information that is added to an official document