buttondecoration

noun
UK /ˈbʌtən ˌdɛkəˈreɪʃən/
US /ˈbʌtən ˌdɛkəˈreɪʃən/

A pretty thing you put on a button to make it look nice.

She added a tiny star buttondecoration to her coat.


OTHER MEANINGS

2. The act of decorating a button.

Buttondecoration took all afternoon at the craft table.

3. A decorative pattern printed on a button.

The shirt had a buttondecoration of little flowers.

4. A small badge worn as decoration.

He pinned a buttondecoration on his backpack.