pyxis
(noun)
 A shape of vessel from the classical world, usually a cylindrical box with a separate lid. 
(noun)
 A small box
Examples of pyxis in the following topics:
- 
The Etruscan Culture- An ivory pyxis, which appears to imitate a Phoenican style, has a clearly Etruscan origin.
- Pyxis with sphinx-shaped handle lid.
 
- 
The Mediterranean- The pyxis of al-Mughira is a masterwork of the genre.
 
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Etruscan Bronze Sculpture- The cistae were small boxes with lids, much like a pyxis, that was made from bronze and was usually cylindrical.