Canaliculus

·noun A minute canal.

canaliculus
cănālĭcŭlus, i, m. (cănālĭcŭla, ae, f. (ante- and post-class.), Varr. R. R. 3, 5, 14; Lucil. ap. Non...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.