You can get Google Dictionary here
Google Dictionary is a useful chrome extension to define and/or translate words from other languages to English.
You can add google dictionary in the chrome store then you will see the extension in the corner of your screen
It is the Red book with the letter ‘A’ on it.
When you click on the book a little menu pops up. If you type a word in English into the menu, google dictionary will define it. If you type a word in a different language, like French, Spanish, or German, it will translate the word rather than defining it.