Merriam-Webster's Collegiate® Dictionary, 11th Edition
CUFF
I. noun
Etymology: Middle English coffe, cuffe mitten
Date: 1522
something (as a part of a sleeve or glove) encircling the wrist, the turned-back hem of a trouser leg,
3. handcuff , a usually wide metal band worn as a bracelet, an inflatable band that is wrapped around an extremity to control the flow of blood through the part when recording blood pressure with a sphygmomanometer, cuffless adjective
II. transitive verb
Date: 1693
to furnish with a cuff, handcuff ,
III. verb
Etymology: perhaps from obsolete English, glove, from Middle English
Date: 1530
transitive verb to strike especially with or as if with the palm of the hand ; buffet , intransitive verb fight , scuffle ,
IV. noun
Date: 1570
a blow with the hand especially when open ; slap