carrier in WordNet English dictionary

1. a large warship that carries planes and has a long flat deck for takeoffs and landings
   aircraft carrier  carrier  flattop  attack aircraft carrier 
   
2. someone whose employment involves carrying something
   "the bonds were transmitted by carrier"
   carrier  bearer  toter 
   
3. (genetics) an organism that possesses a recessive gene whose effect is masked by a dominant allele; the associated trait is not apparent but can be passed on to offspring
   carrier 
   
4. a rack attached to a vehicle; for carrying luggage or skis or the like
   carrier 
   
5. a self-propelled wheeled vehicle designed specifically to carry something
   "refrigerated carriers have revolutionized the grocery business"
   carrier 
   
6. a person or firm in the business of transporting people or goods or messages
   carrier  common carrier 
   
7. (medicine) a person (or animal) who has some pathogen to which he is immune but who can pass it on to others
   carrier  immune carrier 
   
8. a boy who delivers newspapers
   carrier  newsboy 
   
9. a man who delivers the mail
   mailman  postman  mail carrier  letter carrier  carrier 
   
10. a radio wave that can be modulated in order to transmit a signal
    carrier wave  carrier 
    
11. 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
    carrier