couriern.[F. courrier, fr. courre, courir, to run, L. currere. See Course, Current.]1. A messenger sent with haste to convey letters or dispatches, usually on public business.()The wary Bassa . . . by speedy couriers, advertised Solyman of the enemy's purpose. (Knolles.)2. An attendant on travelers, whose business it is to make arrangements for their convenience at hotels and on the way.()