Hmm, that kind of thing is highly subjective, Gia. Dream symbols can really mean anything, any dictionary that you find might come close, but the stuff they would have written there is what a majority of people have concluded the symbol means. That doesn't necessarily mean any such definitions would be the same for you.
Also, just having the definition doesn't help a whole lot, even if it is a good definition with you - it's also pretty situational. Where the dream was, what was happening in it, who might have been there or not there, how you were feeling in the dream...they all contribute to what the dream means.
I did a Google search for "dream symbol dictionary" and got quite a few hits. I looked at a few of them - they all had different meanings for "cat" (no kitten listed) and "mouse" (two of them had mice listed, but it was just a stronger version of what mouse was) - no real concurrence between them. You can check them out, though, if you want to.
If you don't mind sharing the dream, I'm not all that bad at figuring out what some dreams mean, but I'd ask a lot of the questions I said above (where the dream was, all that).