T / tŭbŭlus
noun

tŭbŭlus

gen. tŭbŭli · gender masculine · decl. 2nd
a small pipe; tube; a water-pipe
a small pipe or tube, a water-pipe.
A smoke - pipe
Lit., Varr. R. R. 1, 8, 4; Vitr. 8, 7; Plin. 35, 12, 46, § 159.—A smoke - pipe, Dig. 8, 2, 13.—
a bar of metal; a pig; ingot by extension
Transf., a bar of metal, a pig, ingot, Plin. 33, 6, 35, § 106.