Noun
1. someone whose employment involves carrying something;
"the bonds were transmitted by carrier"2. a self-propelled wheeled vehicle designed specifically to carry something;
"refrigerated carriers have revolutionized the grocery business"3. a large warship that carries planes and has a long flat deck for take-offs and landings
4. an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction
5. a person or firm in the business of transporting people or goods or messages
6. a radio wave that can be modulated in order to transmit a signal
7. a man who delivers the mail
8. a boy who delivers newspapers
9. a person who has some pathogen to which he is immune but who can pass it on to others
10. a rack attached to a vehicle; for carrying luggage or skis or the like