dry riser
noun
a vertical pipe, not containing water, having connections on different floors of a building for a fireman's hose to be attached. A fire tender can be connected at the lowest level to make water rise under pressure within the pipeAbbreviation: DR
Words nearby dry riser
dry plate, dry pleurisy, dry point, dry puddling, dry rale, dry riser, dry rot, dry rot fungus, dry run, dry sink, dry slope
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