Pendentive
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) The portion of a vault by means of which the square space in the middle of a building is brought to an octagon or circle to receive a cupola.
(2): ( n.) The part of a groined vault which is supported by, and springs from, one pier or corbel.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
Bibliography Information McClintock, John. Strong, James. Entry for 'Pendentive'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/p/pendentive.html. Harper & Brothers. New York. 1870.
