pom-pom

n small woollen ball used for decoration, eg on a hat, on the border of a piece of fabric, etc （装饰性的）绒球（如帽子上、 织物边缘等处的）.

polygonal, polyhedron, polymath, polymer, polymorphous, Polynesian, polyp, polyphonic, polyphony, polypous, polystyrene, polysyllabic, polysyllable, polytechnic, polytheism, polytheistic, polythene, polyunsaturated, polyurethane, pom, pomander, pomegranate, Pomeranian, pommel, pommy, pomp, pomposity, pompous, pompously, ponce, poncho, pond, ponder, ponderable, ponderous, ponderously, ponderousness, pone, pong, pongy,