A long piece of cloth worn about the head, neck, or shoulders. A decorative cloth for covering the top of a piece of furniture; a runner. A sash indicating military rank. To dress, cover, or decorate with or as if with a scarf. To wrap (an outer garment) around one like a scarf. A joint made by cutting or notching the ends of two pieces correspondingly and strapping or bolting them together. Also called scarf joint. Either of the correspondingly cut or notched ends that fit together to form such a joint. To join by means of a scarf. To cut a scarf in. Slang To eat or drink voraciously; devour: "Americans scarf down 50 million hot dogs on an average summer day\u201d ( George F. Will).