Canaliculus, pen. corr. Diminut. Varro. Colum. A little pipe: a gutter: a little splent to stay a broken finger.Perpetnus canaliculus humi depressus construatur. Col. Canaliculus columnarum. Vitrnu. The imbowed worke in pillers, like a cundite pipe.
Lewis and Short: Latin dictionary
cănālĭcŭlus, i, m. (cănālĭcŭla, ae, f. (ante- and post-class.), Varr. R. R. 3, 5, 14; Lucil. ap. Non. p. 198, 7; Gell. 17, 11, 2; cf. canalis), dim. [canalis], a small channel, pipe, or gutter.I.A water-channel, Vitr. 10, 14 fin.; Col. 8, 15, 6.—II.A channel of a triglyph, Vitr. 4, 3.—III.The channel or groove of a catapult, Vitr. 10, 15.—IV. In surgery, a splint for broken bones, Cels. 8, 2 fin.