hang fire

hang fire idiom
Delay, as in The advertising campaign is hanging fire until they decide how much to spend on it. This expression originally referred to the 17th-century flintlock musket, where the priming powder ignited but often failed to explode the main charge, a result called hanging fire. [c. 1800]

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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