carrier

Noun

• (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

• a rack attached to a vehicle; for carrying luggage or skis or the like

• (medicine) a person (or animal) who has some pathogen to which he is immune but who can pass it on to others

• a boy who delivers newspapers

• a man who delivers the mail

• a radio wave that can be modulated in order to transmit a signal

• a person or firm in the business of transporting people or goods or messages

• 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

• a large warship that carries planes and has a long flat deck for takeoffs and landings

• a self-propelled wheeled vehicle designed specifically to carry something
  • refrigerated carriers have revolutionized the grocery business
    

• someone whose employment involves carrying something
  • the bonds were transmitted by carrier
    

Related words

• Synonyms: 
  immune carrier , newsboy , mailman , postman , mail carrier , letter carrier , carrier wave , common carrier , aircraft carrier , flattop , attack aircraft carrier , bearer , toter