Bible Encyclopedias
Umbraculum

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

(a little shade), an altar canopy, more generally called the ciborium (q.v.).

Bibliography Information
McClintock, John. Strong, James. Entry for 'Umbraculum'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​u/umbraculum.html. Harper & Brothers. New York. 1870.