decoration · noun C or U /ˌdek.əˈreɪ.ʃən/
Word family
Nouns: decoration, decorator
Adjectives: decorative
Verbs: decorate
decoration
B2 something that you put on something to make it look attractive or special, or the activity of putting things on something to make it look more attractive or special
Dictionary examples:
Christmas/party/table/cake decorations
He's written a book on home decoration.
Learner example:
When I worked at the festival, I helped out with the decorations. (First Certificate in English; B2; Malay)