# firebug

> English word · Noun · frequency rank #88,337

## Definitions
1. Pyrrhocoris apterus, a common red and black insect, that is the type species of the family Pyrrhocoridae.
2. A pyromaniac or arsonist.

## Etymology
From fire + bug.

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