WordNet (r) is a lexical database for english from the Cognitive
Science Laboratory at Princeton University.  This is a dictionary
converted from the original one into JIS X 4081 format (that is a
subset of EPWING V1) by FreePWING. So it can be used by EPWING viewer
on Unix and the other OS (e.g. Windows or MacOS).  URL for this
converted dictionary is