Lewis & Short

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.

  1. I. A water-channel, Vitr. 10, 14 fin.; Col. 8, 15, 6.
  2. II. A channel of a triglyph, Vitr. 4, 3.
  3. III. The channel or groove of a catapult, Vitr. 10, 15.
  4. IV. In surgery, a splint for broken bones, Cels. 8, 2 fin.