outrider /ˈaʊtˌraɪdɚ/ noun plural outriders
plural outriders
Learner's definition of OUTRIDER
[count]
: a person (such as a police officer) who rides a horse or motorcycle next to or in front of a vehicle that is carrying an important person as a form of protection(为要人乘坐的车辆开道的)骑士,摩托警卫