(じてん)

じてん
noun
dictionary
1. dictionary, lexicon
A reference book containing words and their definitions, often organized alphabetically or by reading.
Please look it up in the dictionary.
I bought a Japanese dictionary.
Electronic dictionaries are convenient.
This dictionary has many example sentences, so it's easy to use.
If there are words you don't understand, make a habit of looking them up in the dictionary.

辞典(じてん) vs 辞書(じしょ): Both mean dictionary, but 辞典(じてん) often refers to more comprehensive or specialized dictionaries.

TYPES OF DICTIONARIES:

Note: 事典(じてん) (encyclopedia) uses different kanji but same reading.