Definition of "Cuff" :

noun: the lap consisting of a turned-back hem encircling the end of the sleeve or leg

noun: shackle that consists of a metal loop that can be locked around the wrist; usually used in pairs

verb: confine or restrain with or as if with manacles or handcuffs

"The police handcuffed the suspect at the scene of the crime."

verb: hit with the hand