ONLINE RESOURCES RECOMMENDED
On dictionaries
Online Liddell-Scott:
Go to Perseus. You will need to follow the instructions in the Display, and then click on Tools. One of the options will be Greek Dictionary entry. In the window that opens with the Intermediate L-S entry you will find a link to the larger L-S. An extraordinary tool, though not terribly easy to use...
Online Woodhouse (English to Greek):
The University of
Chicago Library English-Greek
Dictionary by S. C. Woodhouse
Online Koinê Greek Lexicon:
New Testament Greek Lexicon Requires downloading the BST Font. This Lexicon does not give citations but instead a translation and references to occurrences of a word in the NT. It may be easier to browse the KJV Lexicon at the same site, with the same limitations.