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hotliner

American

[hot-lahy-ner] / ˈhɒtˌlaɪ nər /

noun

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

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