monstrance
/ˈmɒnstrəns/noun
- (in the Roman Catholic Church) an open or transparent receptacle in which the consecrated Host is exposed for veneration圣体发光（罗马天主教供奉圣体时用的无盖或透明容器）。
词源
late Middle English （also in the sense 'demonstration or proof'）： from medieval Latin monstrantia, from Latin monstrare 'to show'.