Source : Webster's Revised Unabridged Dictionary (1913)

Hack \Hack\, v. t. [imp. & p. p. {Hacked}; p. pr. & vb. n.
   {Hacking}.] [OE. hakken; akin to D. hakken, G. hacken, Dan.
   hakke, Sw. hacka, and perh. to E. hew. Cf. {Hew} to cut,
   {Haggle}.]
   1. To cut irregulary, without skill or definite purpose; to
      notch; to mangle by repeated strokes of a cutting
      instrument; as, to hack a post.

            My sword hacked like a handsaw.       --Shak.

   2. Fig.: To mangle in speaking. --Shak.