Source : Webster's Revised Unabridged Dictionary (1913)

Booty \Boo"ty\, n. [Cf. Icel. b?ti exchange, barter, Sw. byte
   barter, booty, Dan. bytte; akin to D. buit booty, G. beute,
   and fr. Icel. byta, Sw. byta, Dan. bytte, to distribute,
   exchange. The Scandinavian word was influenced in English by
   boot profit.]
   That which is seized by violence or obtained by robbery,
   especially collective spoil taken in war; plunder; pillage.
   --Milton.

   {To play booty}, to play dishonestly, with an intent to lose;
      to allow one's adversary to win at cards at first, in
      order to induce him to continue playing and victimize him
      afterwards. [Obs.] --L'Estrange.

Source : WordNet®

booty
     n : goods or money obtained illegally [syn: {loot}, {pillage}, {plunder},
          {prize}, {swag}, {dirty money}]