Meaning of “decoration” - Learner’s Dictionary

decoration

noun uk us /ˌdekəˈreɪʃən/
ATTRACTIVE THING [ C, U ]

B2 things put on or around something to make it look more attractive, or the use of these things:

Christmas decorations
She hung some pictures around the room for decoration.
PAINT [ U ]

B2 the use of paint or paper to cover the walls or other surfaces of rooms or buildings :

This place is badly in need of decoration.
OFFICIAL RESPECT [ C ]

an official sign of respect such as a medal (= small, metal disc)

(Definition of “decoration” from the Cambridge Learner’s Dictionary © Cambridge University Press)