What does "cuff" mean?

Additional senses

1. 2.To fight; to scuffle; to box. While the peers cuff to make the rabble sport. Dryden.
2. 3.A blow; esp.,, a blow with the open hand; a box; a slap. Snatcheth his sword, and fiercely to him flies; Who well it wards, and quitten cuff with cuff. Spenser. Many a bitter kick and cuff. Hudibras.
3. 4.The fold at the end of a sleeve; the part of a sleeve turned back from the hand. He would visit his mistress in a morning gown, band,short cuffs, and a peaked beard. Arbuthnot.
4. 5.Any ornamental appendage at the wrist, whether attached to the sleeve of the garment or separate;especially, in modern times, such an appendage of starched linen, or a substitute for it of paper, or the like.