noun any trifling ornament for a woman's dress or bonnet.
2. pompon ·add. ·noun any of several dwarf varieties of the provence rose.
3. pompon ·add. ·noun a hardy garden chrysanthemum having buttonlike heads of flowers.
4. pompon ·noun a tuft or ball of wool, or the like, sometimes worn by soldiers on the front of the hat, instead of a feather.