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