ostensorium ostensively • ostensory · · · Info · Definitions · Synonyms · Characters · · ostensorium · · Text Latin · · Script 11 · · Length Definitions · · · (noun) (Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration. Synonyms: monstrance. · · Noun Definition 1 Synonyms · · · monstrance · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075