A fully electronic Latin dictionary based on Charlton T. Lewis', An Elementary Latin Dictionary (Now includes Lewis & Short entries, too!)
-Configurable as Kindle Default Dictionary on all devices that support this. (See note below)
-Most inflections are recognized
-Extensive definitions including etymologies and usage examples
-Vowel lengths (macra) are included
-A serious Latin dictionary

Kindle Fire, HD, etc users please note that as of this writing (March 2013) no color Kindle devices are able to install any dictionaries beyond those that are built-in. As this may change in the future, please check the appropriate Amazon help page.