back boiler


noun
  1. a tank or series of pipes at the back of a fireplace for heating water: US name: water back

Words Nearby back boiler

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012