out ‧ rid ‧ er /ˈaʊtˌraɪdə $ -ər/ BrE AmE noun [countable]
a guard or police officer who rides on a ↑ motorcycle or horse beside or in front of a vehicle in which an important person is travelling
out ‧ rid ‧ er /ˈaʊtˌraɪdə $ -ər/ BrE AmE noun [countable]
a guard or police officer who rides on a ↑ motorcycle or horse beside or in front of a vehicle in which an important person is travelling
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012