Ăt/ra-bi-lā'ri-an or Ăt/ra-bi-lā'ri-oŭs1, a.
a. [L. Lat. atrabilarius, Fr. atrabilaire, atrabilieux, from atrabile, Lat. atra bilis, black bile.] Affected with melancholy, which the ancients attributed to the black bile. Arbuthnot.