Can you put the dictionary back in the box after you use it?
An electronic dictionary has various dictionaries in it.
I don’t know how to use a dictionary.
You need to know the word rules of the language you're learning, don't you? Then you need a good dictionary that can explain its lexicon!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.