firebug.
Pyrrhocoris apterus, a common red and black insect, that is the type species of the family Pyrrhocoridae.
Meaning & usage
Pyrrhocoris apterus, a common red and black insect, that is the type species of the family Pyrrhocoridae.
A pyromaniac or arsonist.
Where this word comes from
Etymology tree Proto-Indo-European *péh₂wr̥ Proto-Germanic *fōr Proto-West Germanic *fuir Old English fȳr Middle English fyr English fire English bug English firebug From fire + bug.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.