roof knocking

noun

The practice of dropping a nonexplosive or low-yield device on a target around 10 to 15 minutes before a bombing in order to caution any civilians present to flee, so as to minimize civilian casualties.

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Meanings

nounroof knocking (uncountable)
  1. uncountablegovernmentThe practice of dropping a nonexplosive or low-yield device on a target around 10 to 15 minutes before a bombing in order to caution any civilians present to flee, so as to minimize civilian casualties.
Cite this entry
APA

roof knocking. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/roof%20knocking

MLA

“roof knocking.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/roof%20knocking. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “roof knocking,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/roof%20knocking.

Source: roof knocking on Wiktionary, CC BY-SA 4.0.