Jisho (辞書)

Jisho is a CLI tool & Rust library that provides offline access to JMdict, the excellent machine-readable Japanese-English dictionary project originally started by Jim Breen.

Use

Interactively:

$ jisho
> 積ん読
積ん読【つんどく】- buying books and not reading them, stockpiling books, tsundoku, books bought but not read
> International Space Station
国際宇宙ステーション【こくさいうちゅうステーション】- International Space Station

Looking up individual entries:

$ jisho 辞書
辞書【じしょ】- dictionary

$ jisho "quantum mechanics"
量子力学【りょうしりきがく】- quantum mechanics