1.Any trifling ornament for a woman's dress or bonnet.
2.(Mil.) A tuft or ball of wool, or the like, sometimes worn by soldiers on the front of the hat (such as a shako), instead of a feather.
4.The globe-shaped flower head characteristic of certain plants such as dahlias and chrysanthemums.
5.A ball-shaped cluster of ribbons or streamers held in the hand and waved by some cheerleaders at team sports contests. See pompom girl. Called also pompom.
