Triforium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Triforium \Tri*fo"ri*um\, n. [LL., fr. L. tri- (see {Tri-}) +
     foris, pl. fores, a door.] (Arch.)
     The gallery or open space between the vaulting and the roof
     of the aisles of a church, often forming a rich arcade in the
     interior of the church, above the nave arches and below the
     clearstory windows.


     [1913 Webster]