from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A small wingless insect (Thermobia domestica) closely related to the silverfishes and inhabiting warm areas of buildings, as around furnaces or boilers.

from The Century Dictionary.

  • noun A thysanurous insect, Thermobia furnorum, of the family Lepismatidæ; found in bake-houses, and supposed to be fond of heat.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) an insect (Thermobia domestica) which is a type of bristletail that lives in warm moist areas e.g. around furnaces.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun lives in warm moist areas e.g. around furnaces


Sorry, no etymologies found.


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  • The firebrat is quick moving and lives in dark places above 90 degrees F? such as around ovens, furnaces, boiler rooms and fireplaces or insulation around hot water and heat pipes.

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