Pronunciation: (u-nouns'munt), [key]
1. public or formal notice announcing something: The announcement appeared in the newspapers.
2. the act of announcing.
3. a short message or commercial, esp. a commercial spoken on radio or television.
4. a card or piece of formal stationery containing a formal declaration of an event, as a wedding.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.