/dek'euh ray"sheuhn/ , n.
1. something used for decorating; adornment; embellishment: The gymnasium was adorned with posters and crepe-paper decorations for the dance.
2. the act of decorating.
3. See interior decoration .
4. a badge, medal, etc., conferred and worn as a mark of honor: a decoration for bravery.
[ 1575-85; decoration- (s. of decoratio ) an ornament. See DECORATE, -ION ]