一いっ国こく一いち城じょう

noun

one's own domain; independent territory; being one's own master

Figurative use: acting independently, without compromise or outside help, as if one were a feudal lord with one's own castle and domain. Often used in phrases like 一国一城の主.

• 彼かれは会かい社しゃの中なかで一いっ国こく一いち城じょうの主あるじとして振ふる舞まっている。

  He acts like the lord of his own castle within the company.

• 独どく立りつして一いっ国こく一いち城じょうを築きずくのが彼かれの夢ゆめだ。

  His dream is to become independent and build his own domain.

noun

one castle per domain; 1615 edict limiting castles

Historical term referring to the shogunate's 1615 edict that each feudal domain could have only one castle. Rare outside historical contexts.

• 一いっ国こく一いち城じょう令れいは1615年ねんに出だされた。

  The edict of one castle per domain was issued in 1615.