Faculty, Staff, and Students have access to the OED Online
Use the search box on the front page of OED Online to enter your search term(s):
Click "Go" and a new window will bring up your results
An index of common abbreviations used by OED Online is available at http://www.oed.com/public/abbreviations. This can be helpful when looking at words' origins and histories.
Unlike the print edition, the online edition is updated quarterly.
You can find an index of the most recent additions to the OED Online (such as "over-accessorized," "God particle," and "Schrödinger's cat") here.