No, why?
ETA:
After I posted, I googled "pound cake definition" and came up with why you probably think they are the same.
This is what I got from most online dictionaries:
A rich, finely textured yellow cake containing eggs, flour, butter, and sugar.
However, originally pound cake was made with pound of eggs, a pound of butter, a pound of sugar and a pound of flour & then flavor of choice. No baking soda, no baking powder, no milk. From what I understand you beat the batter well after each egg addition to get the leavening effect.
You could try to google different cake types and see what you get.
is there a book out there that u know of that differentiates the types of cakes...cause I would also like to know what constitutes a sponge cake.
Buy Rose Levy Beranbaum's The Cake Bible and Shirley Corriher's Bakewise Both are EXCELLENT books and you will learn a TON of information about cakes, not to mention you will also get a ton of awesome recipes.
Here are some sites which migh be helpful:
wwwjoyofbaking.com
specifically: http://www.joyofbaking.com/History.html
http://www.foodtimeline.org/foodcakes.html
http://www.thenibble.com/reviews/main/cookies/cakes/glossary.asp
HTH
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