Please add English dictionary

[zarifatai]

Can you add English definitions using an English dictionary API? Examples: http://googledictionary.freecollocation.com/, http://services.aonaware.com/DictService/.

This extension is already available in Chrome, but not in Firefox: https://chrome.google.com/webstore/detail/google-dictionary-by-goog/mgijmajocgfcbeboacabfgobmjgjcoja?hl=en