/
ˈkʊrɪə/
n.
  - a messenger who transports goods or documents.
 - chiefly Brit. a person employed to guide and assist a group of tourists.
 
v.
 send or transport by courier.
Etymology
ME: orig. from OFr. coreor; later from Fr. courier (now courrier), from Ital. corriere; based on L. currere ‘to run’.