Flack
Flack noun - Artillery designed to shoot upward at airplanes.
Cite this Source
Knockdown and Flack. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/flack/knockdown
Flack & Knockdown. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/flack/knockdown>.
Knockdown or Flack. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/flack/knockdown.
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