hemorrhoidal

from The Collaborative International Dictionary of English v.0.48

Hemorrhoidal \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.
      [1913 Webster]

   2. (Anat.) Of or pertaining to the rectum; rectal; as, the
      hemorrhoidal arteries, veins, and nerves.
      [1913 Webster]