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hotbox

[hot-boks] /ˈhɒtˌbɒks/
noun, Railroads.
1.
a journal box overheated by excessive friction of an axle as a result of inadequate lubrication or the presence of foreign matter.
Also, hot box.
Origin
1835-1845
1835-45; hot + box1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hotbox
  • Standard test method for measuring the steady state thermal transmittance of fenestration systems using hotbox methods.

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