Bible Encyclopedias
Cross, Screen (or Rood).

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

A cross on or above the altar is one of the legal ornamenta of the same; and the cross, with the figure of our Lord attached, can be erected in sculpture over the altar, or as an important part of the rood-screen. Anciently, almost every English church owned its rood-cross, with the figures of Mary and John on either side.

Bibliography Information
McClintock, John. Strong, James. Entry for 'Cross, Screen (or Rood).'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​c/cross-screen-or-rood.html. Harper & Brothers. New York. 1870.