Does a method string.to_class exist?

I have A Definition model, is it possible to do something like this in
Rails 2.1.0, Ruby 1.8.6 :

foo = "Definition"
@definition = foo.to_class.find(:all)

I have A Definition model, is it possible to do something like this in
Rails 2.1.0, Ruby 1.8.6 :

Have a look at constantize.

Fred

As always, your advice worked like a charm!! Don't know how i missed
that method the first time over...anywhoo thanks again!