Meaning of congratulation

con•grat•u•la•tion

Pronunciation: (kun-grach"u-lā'shun or, often, -graj"-, kung-), [key]
— n.
  1. the act of congratulating.
  2. an expression of joy in the success or good fortune of another.
—interj.
  1. (used to express joy in the success or good fortune of another): Congratulations! You have just won the lottery!
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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