Working Cuff (n,): a cuffs that has buttons that can unbutton allowing one to roll up the jacket sleeves.
Historically, there was a time when men wore suits and sport coats everyday and for all occasions, even when delivering babies. This is where the popular term “surgeon’s cuffs” originated from as many surgeons, rightfully so, need the ability to roll up their sleeves while working on various patients. Now granted you probably won’t be rolling up your suit sleeves to deliver a baby anytime soon, but nevertheless this is a detail you’ll want to consider when buying your next suit or jacket.
It is much easier to machine sew the button holes closed, rather than take the time to hand sew up to 4 button holes on the cuff which is why a working cuff is a hallmark detail associated with a custom or high quality suits.