Mū'ni-ment, n.

n. [Lat. munimentum, from munire, to fortify. See infra.]

1. The act of supporting or defending; defense.
2. That which supports or defends; a stronghold; a 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 house, or room, that room in a cathedral, castle, or other public building, which is used for keeping the records, charters, seals, deeds, and the like. Gwill.