noun
Nihon Kiin; Japan Go Association
The national organization for the game of Go in Japan, responsible for professional certification, tournaments, and promotion of the game.
日本棋院は東京に本部がある。
The Nihon Kiin has its headquarters in Tokyo.
彼は日本棋院のプロ棋士だ。
He is a professional Go player of the Nihon Kiin.
From 日本 (Japan) + 棋院 (Go institute).