prŏpĭtĭātōrĭus, a, um, adj. [propitiator], atoning, reconciling (eccl. Lat.): bonitas Dei, Ambros. Fug. Sec. 3, 14.—Hence, subst.: ‡ prŏpĭtĭātōrĭum, ĭi, n.
I A means of reconciliation , an atonement , propitiation : propitiatorium, quasi propitiationis oratorium, Isid. Orig. 15, 4; Ambros. Ep. 4, 4.—
II A place of atonement , Vulg. Exod. 25, 17; id. Heb. 9, 5.