muniment room

noun British.
  1. a storage or display room in a castle, church, university, or the like, where pertinent historical documents and records are kept.

Origin of muniment room

First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for muniment room

Historical Examples of muniment room