- a storage or display room in a castle, church, university, or the like, where pertinent historical documents and records are kept.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
In the muniment-room there are preserved 3,400 records, etc., of exceptional interest.Westminster
Sir Walter Besant
It is approached through the muniment-room, and has been popularly known as the "Lollard's Prison."Bell's Cathedrals: Chichester (1901)
Hubert C. Corlette
The upper part above the porch proper contains, as mentioned above, a lofty chamber, probably originally the muniment-room.