phy·lac·ter·y

– noun
1. a receptacle containing a holy relic.
2. an amulet, charm, or safeguard against harm or danger.

rel·ic

– noun
1. a surviving memorial of something past.
2. an object having interest by reason of its age or its association with the past.
3. a surviving trace of something.
4. a. remaining parts or fragments.
b. the remains of a deceased person.
5. something kept in remembrance; souvenir; memento.
6. the body, a part of the body, or some personal memorial of a saint, martyr, or other sacred person, preserved as worthy of veneration.
7. a once widespread linguistic form that survives in a limited area but is otherwise obsolete.