hot line

hot line idiom
A telephone line that gives quick and direct access to a source of information or help. For example, Our state has an AIDS hot line in every county. This term was originally (and is still) used for a direct link between heads of government for use during a crisis, but was quickly extended to wider applications. [1950s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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