hotline

[hot-lahyn]
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noun

adjective

Chiefly Canadian. of or relating to a radio program that receives telephone calls from listeners on the air.

Origin of hotline

First recorded in 1950–55; hot + line1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for hotline

hotline

noun

a direct telephone, teletype, or other communications link between heads of government, for emergency use
any such direct line kept for urgent use
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012