courier
cou.ri.er \'ku.r-e--*r, 'k*r-e--, 'k*-re--\ n [MF courrier, fr. OIt corriere, fr. correre to run, fr. L ] often attrib currere : MESSENGER : as : a member of a diplomatic service entrusted with bearing messages : an espionage agent transferring secret information : a runner of contraband : a member of the armed services whose duties include carrying mail, info rmation, or supplies