Source : Webster's Revised Unabridged Dictionary (1913)

Ischiadic \Is`chi*ad"ic\, a. [L. ischiadicus, Gr. ?, fr. ? the
   hip joint, hip or loin. Cf. {Sciatic}.] (Anat.)
   Ischial. [R.]

   {Ischiadic} {passion or disease} (Med.), a rheumatic or
      neuralgic affection of some part about the hip joint; --
      called also {sciatica}.

Ischiadic \Is`chi*ad"ic\, a. [L. ischiadicus, Gr. ?, fr. ? the
   hip joint, hip or loin. Cf. {Sciatic}.] (Anat.)
   Ischial. [R.]

   {Ischiadic} {passion or disease} (Med.), a rheumatic or
      neuralgic affection of some part about the hip joint; --
      called also {sciatica}.