(portable) electronic dictionary; pocket electronic dictionary; PED; digital dictionary (application or website); electronic dictionary
Japanese-language dictionary; dictionary of a national language
dictionary app; dictionary application
Japanese-English dictionary
Vocabvlario da Lingoa de Iapam (Japanese-Portuguese dictionary, publ. 1603-1604); Nippo Jisho
dictionaries (and similar books)
encyclopedia; encyclopaedia
paper dictionary; printed dictionary
English-English dictionary
online dictionary; web dictionary
A Pocket Dictionary of the English and Japanese Language (1862)
single-kanji dictionary (esp. for use in an input method)
IRDS; Information Resource Dictionary System
the word impossible is not in my dictionary
Dictionarium Latino Lusitanicum, Ac Iaponicum (1595 trilingual Latin-Portuguese-Japanese dictionary)