The Collaborative International Dictionary of English v.0.48:

Hot bulb \Hot bulb\, Hot pot \Hot pot\ (Internal-combustion
   Engines)
   See Semi-diesel, below.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

hot pot
    n 1: a stew of meat and potatoes cooked in a tightly covered pot
         [syn: hot pot, hotpot]