tŭbŭlus

i, m.

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.
Lewis & Short
A Latin Dictionary, 1879
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