What does tŭbŭlus mean in Latin?

tŭbŭlus, a noun, means “a small pipe”.

noun

tŭbŭlus

tŭbŭlus, i, m. dim. tubus,

I. a small pipe or tube, a water-pipe.

I. Lit., Varr. R. R. 1, 8, 4; Vitr. 8, 7; Plin. 35, 12, 46, § 159.—A smoke - pipe, Dig. 8, 2, 13.—

II. Transf., a bar of metal, a pig, ingot, Plin. 33, 6, 35, § 106.

Tŭbŭlus, i, m.,

I. a Roman cognomen in the gens Hostilia: L. Hostilius Tubulus, a prœtor A. U. C. 611, Lucil. ap. Cic. N. D. 1, 23, 63; Cic. Att. 12, 5, 3; id. Fin. 4, 28, 77; 5, 22, 62.