flaming onion
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
A 37 mm Hotchkiss revolving-barrel anti-aircraft gun used by the German army at the beginning of World War I.
Register: slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
The flare or tracer ammunition fired by this weapon.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “flaming onion” mean?
A 37 mm Hotchkiss revolving-barrel anti-aircraft gun used by the German army at the beginning of World War I.
Is “flaming onion” formal or informal?
flaming onion is generally slang.