From WordNet (r) 2.0 (August 2003) [wn]:
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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Kitty \Kit"ty\, n.
1. A kitten; also, a pet name or calling name for the cat.
[Webster 1913 Suppl.]
2. [Etym. uncertain.] (Gaming) The percentage taken out of a
pool to pay for refreshments, or for the expenses of the
table; by extension, any pool of money aggregated from
small contributions. --R. F. Foster.
[Webster 1913 Suppl. +PJC]