Pronunciation: (kûr'ē-ur, koor'-),[key] —n. 1. a messenger, usually traveling in haste, bearing urgent news, important reports or packages, diplomatic messages, etc.
2. any means of carrying news, messages, etc., regularly.
3. the conveyance used by a courier, as an airplane or ship.
4. Chiefly Brit.a tour guide for a travel agency.