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hotline

[hot-lahyn]
noun
  1. hot line.
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adjective
  1. Chiefly Canadian. of or relating to a radio program that receives telephone calls from listeners on the air.
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Origin of hotline

First recorded in 1950–55; hot + line1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hotline

hotline

noun
  1. a direct telephone, teletype, or other communications link between heads of government, for emergency use
  2. any such direct line kept for urgent use
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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