What is "the curse of scotland"

Curse \Curse\, n. [AS. curs. See Curse, v. t.]

1. An invocation of, or prayer for, harm or injury; malediction.

   Lady, you know no rules of charity, Which renders good for bad, blessings for curses.
   --Shak.

2. Evil pronounced or invoked upon another, solemnly, or in passion; subjection to, or sentence of, divine condemnation.

   The priest shall write these curses in a book.
   --Num. v. 2

3. Curses, like chickens, come home to roost.
   --Old Proverb.

   3. The cause of great harm, evil, or misfortune; that which brings evil or severe affliction; torment.

   The common curse of mankind, folly and ignorance.
   --Shak.

   All that I eat, or drink, or shall beget, Is propagated curse.
   --Milton.

   The curse of Scotland (Card Playing), the nine of diamonds.

   Not worth a curse. See under Cress.

   Syn: Malediction; imprecation; execration. See Malediction.