国語辞典 とは、日本語の単語・連語・句などを規則的に配列し（主に五十音順）、説明した書物。見出しに立てた言葉の仮名遣いやアクセント、漢字表記、品詞、使用分野、意味、用法、さらには類義語、対義語、用例、文献上の初出例などの情報が示される

A Japanese language dictionary is a book that arranges Japanese words, collocations, phrases, etc. regularly (mostly in alphabetical order), and explains. It shows information such as the spelling and accents of words used in headings, kanji notation, parts of speech, fields of use, meaning, usage, and even synonyms, antinyms, examples, first appearances in literature, etc.