Source : Webster's Revised Unabridged Dictionary (1913)

Kitty \Kit"ty\, n.
   1. A kitten; also, a pet name or calling name for the cat.

   2. [Etym. uncertain.] (Gaming) The percentage taken out of a
      pool to pay for refreshments, or for the expenses of the
      table. --R. F. Foster.

Source : WordNet®

kitty
     n 1: the combined stakes of the betters [syn: {pool}]
     2: the cumulative amount involved in a game (such as poker)
        [syn: {pot}, {jackpot}]
     3: young domestic cat [syn: {kitten}]
     4: informal terms referring to a domestic cat [syn: {kitty-cat},
         {puss}, {pussy}, {pussycat}]