/ ˌdekəˈreɪʃn; NAmE / noun
1.
[ C , usually pl. ] a thing that makes sth look more attractive on special occasions :
Christmas decorations
a table decoration
2.
[ U , C ] a pattern, etc. that is added to sth and that stops it from being plain :
the elaborate decoration on the carved wooden door
3.
[ U ] the style in which sth is decorated :
a Chinese theme in the interior decoration
4.
[ U ] ( BrE ) the act or process of decorating sth such as the inside of a house by painting it, etc.
5.
[ C ] a medal that is given to sb as an honour
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WORD ORIGIN
late Middle English : from late Latin decoratio(n-) , from the verb decorare , from decus , decor- beauty, honour, or embellishment.