reliquary

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A receptacle, such as a coffer or shrine, for keeping or displaying sacred relics.

from The Century Dictionary.

• noun In law, one who owes a balance; also, a person who pays only piecemeal.
• Of or pertaining to a reliquary.
• Residual.
• noun A repository for relics, often, though not necessarily, small enough to be carried on the person. See shrine, and cut under phylacterium.

from the GNU version of the Collaborative International Dictionary of English.

• noun A depositary, often a small box or casket, in which relics are kept.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A container to hold or display religious relics.
• noun figuratively An object that sustains the memory of past people or events.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a container where religious relics are stored or displayed (especially relics of saints)