Modíolus, modíoli, pen. cor. Diminutiuum. A little bushell.Modiolus. Vitru. A bucket wherewith water is drawen out of a well. Modiolus. Scæu. A little cuppe to drinke in like a goblet. Modiolus in rota, cui affixi sunt radij. Plin. The name of a cart wheele. Modiolus. instrumentum chirurgicum. Celsus. An instrument that surgeons vse.
Lewis and Short: Latin dictionary
mŏdĭŏlum, i, n. [dim. of modium, v. modius], the yolk: quinque ovorum modiola, Plin. Val. 1, 64.
mŏdĭŏlus, i, m.dim. [modius], lit., a small measure; hence, transf., I.A kind of drinking-vessel, Dig. 34, 2, 37.—II.A bucket on a water-wheel, Vitr. 10, 9: modioli gemelli, the boxes or cylinders of a forcing-pump, id. 10, 13.—III.The nave of a wheel, Plin. 9, 4, 3, 8; Vitr. 10, 4.—IV.The box to receive the axle-tree of an oilmill, Cato, R. R. 20.—V. A surgical instrument, a cylindrical borer with a serrated edge, a trepan, xoini/kion, Cels. 8, 3 init.