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Hot line

A telephone line that is always staffed and able to give immediate assistance.

📖 Definitions of "Hot line"

noun
  1. 1

    A telephone line that is always staffed and able to give immediate assistance.

    "If you've got any problems with the product, ring our hotline."

  2. 2

    A direct line between two people, especially one between heads of state to be used in an emergency.

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