What does 辞書 mean?
辞書 is a Japanese noun meaning “dictionary” in English. It can also be translated as “letter of resignation” depending on context. It is written as 辞書 in kanji, じしょ in hiragana, and jisho in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
正確なつづりは辞書で調べなさい。
I refer you to the dictionary for the correct spelling.