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first responder

noun

Definition of first responder

  1. :  a person (such as a police officer or an EMT) who is among those responsible for going immediately to the scene of an accident or emergency to provide assistance

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First Known Use of first responder

1970

FIRST RESPONDER Defined for Kids

first responder

noun first re·spond·er \-ri-ˈspän-dər\

Definition of first responder for Students

  1. :  a person (as a police officer or an EMT) who is responsible for going immediately to the scene of an accident or emergency to provide help

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