Source : Webster's Revised Unabridged Dictionary (1913)

Withal \With*al"\, prep.
   With; -- put after its object, at the end of sentence or
   clause in which it stands. [Obs.]

         This diamond he greets your wife withal. --Shak.

         Whatsoever uncleanness it be that a man shall be
         defiled withal.                          --Lev. v. 3.

Withal \With*al"\, adv. [With + all.]
   1. With this; with that. [Obs.]

            He will scarce be pleased withal.     --Shak.

   2. Together with this; likewise; at the same time; in
      addition; also. [Archaic]

            Fy on possession But if a man be virtuous withal.
                                                  --Chaucer.

            If you choose that, then I am yours withal. --Shak.

            How modest in exception, and withal How terrible in
            constant resolution.                  --Shak.

Source : WordNet®

withal
     adv 1: despite anything to the contrary (usually following a
            concession); "although I'm a little afraid, however
            I'd like to try it"; "while we disliked each other,
            nevertheless we agreed"; "he was a stern yet fair
            master"; "granted that it is dangerous, all the same I
            still want to go" [syn: {however}, {nevertheless}, {still},
             {yet}, {all the same}, {even so}, {nonetheless}, {notwithstanding}]
     2: together with this