relicary

Noun

reliquary (plural reliquaries)

1. A container to hold or display religious relics.
   • “… There is an ivory virgin of the fourteenth century. I once found a buyer for that piece, but the old boy would not sell it.[…]The other piece—the one that concerns us—is known as the Borgia reliquary.”1935, Francis Beeding, “4/1”, in The Norwich Victims
2. (figuratively) An object that sustains the memory of past people or events.
3. A person who owes a balance.