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flaming onion

(military, slang, historical) A 37 mm Hotchkiss revolving-barrel anti-aircraft gun used by the German army at the beginning of World War I.

ˈfleɪmɪŋ ˈʌnjən46 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026

(military, slang, historical) A 37 mm Hotchkiss revolving-barrel anti-aircraft gun used by the German army at the beginning of World War I.

Origin: From its appearance after exploding. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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#2·Apr 27, 2026

(military, slang, historical) The flare or tracer ammunition fired by this weapon.

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