1. a vessel used in the Roman Catholic Church to display the consecrated host for adoration
Usage: ecclesiastical

Examples

• The priest placed the consecrated host in the ornate ostensorium for the congregation to venerate.
• The golden ostensorium was carried in procession during the Feast of Corpus Christi.
• Medieval craftsmen created elaborate ostensoriums decorated with precious gems.
• The cathedral’s ostensorium dates back to the 15th century.
• During Eucharistic adoration, the faithful knelt before the ostensorium in prayer.
• The museum displayed several historic ostensoriums from different European monasteries.