ischiadic passion

from The Collaborative International Dictionary of English v.0.48

Ischiadic \Is`chi*ad"ic\ ([i^]s`k[i^]*[a^]d"[i^]k), a. [L.
   ischiadicus, Gr. 'ischiadoko`s, fr. 'ischi`on the hip joint,
   hip or loin. Cf. {Sciatic}.] (Anat.)
   Ischial. [R.]
   [1913 Webster]

   {Ischiadic passion} or {Ischiadic disease} (Med.), a
      rheumatic or neuralgic affection of some part about the
      hip joint; -- called also {sciatica}.
      [1913 Webster]