Source : Webster's Revised Unabridged Dictionary (1913)

Cacography \Ca*cog`ra*phy\, n. [Gr. ????? bad + -graphy; cf. F.
   cacographie.]
   Incorrect or bad writing or spelling. --Walpole.

Source : WordNet®

cacography
     n : poor handwriting [syn: {scribble}, {scratch}, {scrawl}]