What is the meaning of Pyxis?

A small box.

A capsule in which the lid separates from the top of the fruit to release the seeds.

A nautical compass.

The box in which ashes are stored for Ash Wednesday.

acetabulum.

various types of small box:

  1. a small box for storing consecrated hosts, e.g. in a tabernacle or for travel when tending to the sick
  2. a type of small box from Ancient Greece holding small, valuable items (such as jewellery, cosmetics or medicine)

a small box for storing consecrated hosts, e.g. in a tabernacle or for travel when tending to the sick

a type of small box from Ancient Greece holding small, valuable items (such as jewellery, cosmetics or medicine)

A small box, for holding medicines or toiletries.

Source: wiktionary.org