Lewis & Short

pyxis (puxis, Juv. 13, 25; Scrib. Comp. 228), ĭdis, f., = πυξίς.

  1. I. Lit., a box, a small box, esp. for unguents, medicines, etc.
    Orig., of boxes made of boxwood, then of those of any kind of wood, and finally, also, of metallic boxes: veneni, Cic. Cael. 25, 61: aurea, Suet. Ner. 47; cf. id. ib. 12: cornea, Plin. 21, 20, 81, § 137: plumbea, id. 32, 10, 47, § 135.
    Belonging to the toilet of women, Petr. 110; Paul. Sent. 3, 6, 83 (al. buxides).
  2. II. Transf.: ferrea, an iron cap fitted to the lower end of a pestle, Plin. 18, 11, 29, § 112.