The Collaborative International Dictionary of English v.0.48:

Cholic \Chol"ic\, Cholinic \Cho*lin"ic\, a. [Gr. ?, from ?
   bile.] (Physiol. Chem.)
   Pertaining to, or obtained from, the bile.
   [1913 Webster]

   Cholic acid (Chem.), a complex organic acid found as a
      natural constituent of taurocholic and glycocholic acids
      in the bile, and extracted as a resinous substance,
      convertible under the influence of ether into white
      crystals.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cholic acid
    n 1: an insoluble crystalline acid present in bile