Definition of hot well in English:

hot well

noun

  • 1A spring of naturally hot water; = "hot spring".

  • 2Engineering. A reservoir or vessel into which heated water passes after use; specifically one that receives water from the condenser in a condensing steam engine or a steam turbine which is then used to supply the boiler.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From hot + well.

Pronunciation

hot well

/ˈhɒt wɛl/