How to use Google Search as Dictionary ?

Google has updated its search with a Dictionary to provide the means of lot of words from its Dictionary ( from Oxford Dictionary ) .

The Beauty of the Google Search is not only it shows the definition/meaning of the word, it also shows the origin of the word, and its usage of the word from past couple of years.
You need to click on the little Arrow icon at bottom of the box shows the definition

 Here is the example of the work Mythology :

Also it has the translation facility to other language of your need, and it remembers your language selection and for every word it translates you to the language you have selected.