The rounded tuft of hair left on the end of the tail when the coat of a dog is clipped: as with the poodle: When the elderly Mrs. Hathaway took her dogto be groomed, she wanted it to have a pompon on its tail!

1. A decorative ball, typically of wool strands, often attached to the top of a hat: After knitting a warm hat,Barbara used the last of the yarn to make a pompon to enhance the charm of the item.
2. An unattractively gray-coloured food fish frequently found in the waters of the southern states of the United States: The medium-sized pompon was caught and sold in the dockside markets of the village in Florida.