Noun

1. Someone whose employment involves carrying something
2. A self-propelled wheeled vehicle designed specifically to carry something
3. A large warship that carries planes and has a long flat deck for takeoffs 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. (medicine) a person (or animal) 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
11. (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