Yahoo!–|–ó                   http://honyaku.yahoo.co.jp/
LDOCE Online                 http://pewebdic2.cw.idm.fr/
OALD Online                  http://www.oup.com/elt/catalogue/teachersites/oald7/
Cambridge Dictionaries       http://dictionary.cambridge.org/
Encarta English - Dictionary http://dictionary.msn.com/