# flaming onion

> English word · Noun

## Definitions
1. A 37 mm Hotchkiss revolving-barrel anti-aircraft gun used by the German army at the beginning of World War I.
2. The flare or tracer ammunition fired by this weapon.

## Etymology
From its appearance after exploding.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/flaming-onion