Definify.com
Webster 1913 Edition
Pompon
Pom′pon
,Noun.
 [F.] 
1. 
Any trifling ornament for a woman’s dress or bonnet. 
Definition 2025
Pompon
Pompon
pompon
pompon
See also: Pompon
English

Pompons of the sort used for cheerleading.
Alternative forms
Noun
pompon (plural pompons)
- A bundle of yarn, string, ribbon, etc. tied in the middle and left loose at the ends, so as to form a puff or ball, as for decoration or a showy prop for cheerleading.
 - A hardy garden chrysanthemum with button-like flower heads.
 - Any of several dwarf varieties of the Provence rose.
 
Translations
puff or ball as for decoration for cheerleading