Intestinal \In*tes"ti*nal\, a. [Cf. F. intestinal.]

Of or pertaining to the intestines of an animal; as, the intestinal tube; intestinal digestion; intestinal ferments.

Intestinal canal. Same as Intestine, n.

Intestinal worm (Zo["o]l.), any species of helminth living in the intestinal canal of any animal. The species are numerous.

Source: Webster's Revised Unabridged Dictionary (1913)