Source : Webster's Revised Unabridged Dictionary (1913)

Zareba \Za*re"ba\, n. (Mil.)
   An improvised stockade; especially, one made of thorn bushes,
   etc. [Written also {zareeba}, and {zeriba}.] [Egypt]

         ``Ah,'' he moralizes, ``what wonderful instinct on the
         part of this little creature to surround itself with a
         zareba like the troops after Osman Digma.'' --R.
                                                  Jefferies.