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English definition of “carrier”

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carrier

noun [C]  /ˈkær·i·ər/ us  

carrier noun [C] (TRANSPORT)

a person or thing that carries or delivers something: She’s got a job as a letter carrier.

carrier noun [C] (SPREAD)

medical a person who can give a disease to other people but may not show any signs of having the disease
(Definition of carrier from the Cambridge Academic Content Dictionary © Cambridge University Press)
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