Source : Webster's Revised Unabridged Dictionary (1913)

Basilican \Ba*sil"i*can\, a.
   Of, relating to, or resembling, a basilica; basilical.

         There can be no doubt that the first churches in
         Constantinople were in the basilican form. --Milman.

Source : WordNet®

basilican
     adj : of or relating to or resembling a basilica