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.
Omni has a server that they store all their definitions on
They search the internet
( z1 have :ARG0 ( z2 company :name ( z3 name :op "Omni" ) ) :ARG1 ( z4 server :location-of ( z5 store :ARG0 z2 :ARG1 ( z6 thing :ARG2-of ( z7 define :ARG0 z2 ) :mod ( z8 all ) ) ) ) )