Bible Encyclopedias
Steel-Stone

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

a mediaeval mason's term for that stone which was placed on the top of a niche or tabernacle to crown and complete it. "Item, for garnyshing ye seelstone, iis. ivd."

Bibliography Information
McClintock, John. Strong, James. Entry for 'Steel-Stone'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​s/steel-stone.html. Harper & Brothers. New York. 1870.