決きまり字じ

noun

kimariji; identifying characters of a poem

In competitive karuta, the minimum initial characters of a poem that uniquely identify it, used to determine which card to take.

See also: 百人一首

• 百ひゃく人にん一いっ首しゅの決きまり字じを覚おぼえるのは大たい変へんだ。

  Memorizing the kimariji of the Hyakunin Isshu is tough.

• 決きまり字じが読よまれた瞬しゅん間かんに札ふだを取とる。

  You take the card the moment the kimariji is read.