carrier

noun

1. 1

   A person or object that carries someone or something else.

   “aircraft carrier”

2. 2

   A carrier pigeon.

3. 3

   A person or company in the business of shipping freight.

4. 4

   A signal such as radio, sound, or light that is modulated to transmit information.

5. 5

   A mobile network operator; wireless carrier.

6. 6

   A certified airline.

7. 7

   That which drives or carries.

8. 8

   A catalyst or other intermediary in a chemical reaction.

9. 9

   A person or other organism that has a genetic trait, mutation or infection liable to cause a disease, but displays no symptoms.

10. 10

    Charge carrier

11. 11

    A liquid or gas used as a medium for another substance.

    “inert carrier gas, which transports a chemical reactant”