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hotliner

American  
[hot-lahy-ner] / ˈhɒtˌlaɪ nər /

noun

  1. a person who speaks to callers on a telephone hotline.

  2. Chiefly Canadian.  Also hot-liner a radio broadcaster who accepts calls on the air from individuals using a telephone hotline set up for that purpose.

Etymology

Origin of hotliner

First recorded in 1970–75; hotline + -er 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.