Where can i find a spanish dictionary?

Not a english to spanish or anything like that I need a site that lets you type a word in spanish and tells you the definition in spanish.Where can i find a spanish dictionary?
The Royal Spanish Academy dictionary. It defines the word in Spanish.
http://www.rae.es/rae.html as l'idiocratie des zombies mentioned.

Also this one:

http://wordreference.com/

On the first page,you have different options like: "Spanish: synonyms" or "Spanish: definition",after choosing one of those you'll see the results just in Spanish.Where can i find a spanish dictionary?
Here's what you need:

http://buscon.rae.es/draeI/

I'm pretty sure you can find one for the Diccionario de la Academia de Latinoamerica, as well. But I'm not familiar with it...that's the Spain Spanish one.

You can surely find one at a large bookstore, if you want a hard copy. Or Amazon.com.Where can i find a spanish dictionary?
Go to www.google.com/dictionary the select Spanish dictionary
if you have an iphone look on the app store for a spanish dictionary
half price books for like $3-5