Consult the Chinese Dictionaries complete page at http://guides.lib.ku.edu/Chinese_dictionaries
For this course, the Classical Chinese Dictionaries (can be found as one of tabs in the above link) is more relevant for you. This page is for "Online dictionaries."
This page is devoted to a variety of online dictionaries and resources that can be accessed from personal computers. For information on dictionaries for mobile devices please see the relevant dictionary tab.
Index of Chinese-English Dictionaries
Search by Pinyin and/or Radical
Used for specific needs