Meaning of night line in English:

night line

Pronunciation /ˈnʌɪt lʌɪn/

noun

  • 1Fishing
    A line with baited hooks set to catch fish at night.

  • 2British Usually in form Nightline. A telephone helpline available at night, especially for university or college students (frequently as the name of such a service); (hence more widely) any overnight out-of-hours telephone service.

Origin

Early 18th century; earliest use found in Gentleman Angler. From night + line.