Please explain: what is a monstrance?

What is a Monstrance? | The Significance of Eucharistic Adoration

What is a Monstrance? | Trojan Catholic

The world's largest monstrance holding Our Lord during the National Eucharist Revival.

Watch what happens to the door of the monstrance. #jesuschrist #jesus #jesuslives #jesusisking

Largest monstrance in the world

Monstrance: Have You Ever Wondered?