Source : Webster's Revised Unabridged Dictionary (1913)

Hash \Hash\, v. t. [imp. & p. p. {Hashed}; p. pr. & vb. n.
   {Hashing}.] [From {Hash}, n.: cf. F. hacher to hash.]
   To ?hop into small pieces; to mince and mix; as, to hash
   meat. --Hudibras.

Source : Free On-Line Dictionary of Computing

hashing
     
        {hash coding}