Buttress
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): (n.) Anything which supports or strengthens.
(2): (n.) A projecting mass of masonry, used for resisting the thrust of an arch, or for ornament and symmetry.
(3): (v. t.) To support with a buttress; to prop; to brace firmly.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
Bibliography Information McClintock, John. Strong, James. Entry for 'Buttress'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/b/buttress.html. Harper & Brothers. New York. 1870.