空から札ふだ

noun

dead card; cards not in play

In competitive karuta, cards that are not present on the field at the start of a match, typically because they have been removed or are not part of the current set.

• 空から札ふだを読よまれたら、すぐに手てを引ひいてください。

  If a dead card is read, please withdraw your hand immediately.

• この試し合あいでは、空から札ふだが三さん枚まいある。

  In this match, there are three dead cards.