Source : Webster's Revised Unabridged Dictionary (1913)

Occecation \Oc*ce*ca"tion\, n. [L. occaecatio, fr. occaecare to
   make blind; ob + caecare to blind, fr. caecus blind.]
   The act of making blind, or the state of being blind. [R.]
   ``This inward occecation.'' --Bp. Hall.