Definition of pyxides:
(n) :
(astronomy) A spring constellation of the southern sky, said to resemble the compass of a ship. It is associated with the larger Argo Navis, although it was never officially part of that constellation.
(n) :
A small box.
(n) :
(botany) A capsule in which the lid separates from the top of the fruit to release the seeds.
(n) :
A nautical compass.
(n) :
(Christianity) The box in which ashes are stored for Ash Wednesday.
(n) :
(anatomy) acetabulum.