OmniDictionary is a DICT client by The Omni Group. Unlike Apple Computer's Dictionary, it retrieves definitions from the internet via the DICT protocol instead of a file on the hard drive. Starting with the release of version 2.0.4 is now a universal binary.
The Omni group made OmniDictionary. 
( z1 make :ARG0 ( z2 group :name ( z3 name :op "Omni" ) ) :ARG1 ( z4 publication :name ( z5 name :op "OmniDictionary" ) ) )