Dictionary.com
definitions

strongroom

or strong room

[strawng-room, -roo m, strong-]
noun
  1. a fireproof, burglarproof room in which valuables are kept.

Origin of strongroom

First recorded in 1755–65; strong + room
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for strongroom

Historical Examples of strongroom

  • Mapfabvisheen had trodden softly from the strongroom and thought himself safe.

    Rastignac the Devil

    Philip Jos Farmer

British Dictionary definitions for strongroom

strongroom

noun
  1. a specially designed room in which valuables are locked for safety
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