Firebrat

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A thysanuran insect, Thermobia domestica.
  2. 2
    lives in warm moist areas e.g. around furnaces wordnet

Etymology

From fire + brat, after their habit of collecting near furnaces.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.