bob·ble
noun/ˈbɒbl/
/ˈbɑːbl/
- (British English) a small, soft ball, usually made of wool, that is used especially for decorating clothes

enlarge image synonym pom-pom小绒球,小羊毛球(尤用作衣服缀饰) - a bobble hat (= a woolly hat with a bobble on top)
绒球帽(顶部有小绒球的羊毛帽)
- a bobble hat (= a woolly hat with a bobble on top)
- a piece of elastic with a small ball or other decoration on it, used to tie hair back
装饰发圈(带有小球或其他饰物)
Word Origin1920s: diminutive of bob ‘the hairstyle’.