\Hem`or*rhoid"al\, a. [Cf. F. h['e]morro["i]dal,
h['e]morrho["i]dal.]
1. Of or pertaining to, or of the nature of, hemorrhoids.
2. (Anat.) Of or pertaining to the rectum; rectal; as, the
   hemorrhoidal arteries, veins, and nerves.