Source : Webster's Revised Unabridged Dictionary (1913)

Ictic \Ic"tic\, a. [L. ictus blow.]
   Pertaining to, or caused by, a blow; sudden; abrupt. [R.]
   --H. Bushnell.

Source : WordNet®

ictic
     adj : of or relating to a seizure or convulsion [syn: {ictal}]