Install dict-freedict-jpn-eng by entering the following commands in the terminal:
sudo apt update sudo apt install dict-freedict-jpn-eng
Japanese-English dictionary for the dict server/client
This is the Japanese-English dictionary from the FreeDict project in version 0.1 (FreeDict status: Big enough to be useful). It contains 173747 headwords. It can be used for the dict server in conjunction with a dict client.