The Collaborative International Dictionary of English v.0.48:

Choragic \Cho*rag"ic\, a. [Gr. ?, ?.]
   Of or pertaining to a choragus.
   [1913 Webster]

   Choragic monument, a building or column built by a
      victorious choragus for the reception and exhibition of
      the tripod which he received as a prize. Those of
      Lysicrates and Thrasyllus are still to be seen at Athens.
      [1913 Webster]

WordNet (r) 3.0 (2006):

choragic
    adj 1: pertaining to or characteristic of a choragus