What is "muniment house"

Muniment \Mu"ni*ment\, n. [L. munimentum, fr. munire to fortify. See Munition.]

1. The act of supporting or defending. [Obs.]

2. That which supports or defends; stronghold; place or means of defense; munition; assistance. ``Other muniments and petty helps.''
   --Shak.

3. (Law) A record; the evidences or writings whereby a man is enabled to defend the title to his estate; title deeds and papers.
   --Blount.

   Muniment room or Muniment house, that room in a cathedral, castle, or other public building, which is used for keeping the records, charters, seals, deeds, and the like.
   --Gwilt.