The Collaborative International Dictionary of English v.0.48:

Parclose \Par"close\, n. [OF. See Perclose.] (Eccl. Arch.)
   A screen separating a chapel from the body of the church.
   [Written also paraclose and perclose.] --Hook.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Perclose \Per*close"\, n. [OF. parclose an inclosed place; L.
   per through + claudere, clausum, to shut.]
   1. (Eccl. Arch.) Same as Parclose.
      [1913 Webster]

   2. Conclusion; end. [Obs.] --Sir W. Raleigh.
      [1913 Webster]