Lewis & Short

2. mĭlĭārĭus (mill-), a, um, adj. [milium],

  1. I. of or belonging to millet, millet- (ante-class. and post-Aug.): miliariae (sc. aves) dictae a cibo, quod milio fiant pingues, Varr. L. L. 5, § 76 Müll.: aves, ortolans, id. R. R. 3, 5: herba, injurious to millet, Plin. 22, 25, 78, § 161.
  2. II. Transf., subst.: mĭlĭārĭum (mill-), ii, n., a short and thick pillar which stood in the centre of the basin of an oil-mill to support the cupa, Cato, R. R. 20; 22.
    1. B. In baths, a tall and narrow vessel for drawing and warming water, Pall. 1, 40; Sen. Q. N. 3, 24, 2; Paul. Sent. 3, 6, 65.
    2. C. A cooking-vessel: miliarium argenteum, Dig. 34, 2, 19, § 12.