Source : Webster's Revised Unabridged Dictionary (1913)

Atrabiliary \At`ra*bil"ia*ry\, a.
   1. Of or pertaining to atra bilis or black bile, a fluid
      formerly supposed to be produced by the kidneys.

   2. Melancholic or hypohondriac; atrabilious; -- from the
      supposed predominance of black bile, to the influence of
      which the ancients attributed hypochondria, melancholy,
      and mania.

   {Atrabiliary arteries}, {capsules}, and {veins} (Anat.),
      those pertaining to the kidney; -- called also renal
      arteries, capsules, and veins.