本ほん切せっ羽ぱ

noun

functioning cuff buttons; working buttonholes on jacket sleeves

Refers to jacket cuffs where the buttons can actually be buttoned and unbuttoned, as opposed to decorative non-functioning buttons. Common in higher-end tailoring.

See also: 本開き

• このジャケットは本ほん切せっ羽ぱなので、袖そでのボタンを外はずすことができます。

  This jacket has functioning cuff buttons, so you can unbutton the sleeve buttons.

noun

surgeon's cuffs; functional cuffs on a jacket

Same as sense 1, but specifically referred to as 'surgeon's cuffs' in English tailoring terminology. The term originates from the need for surgeons to roll up their sleeves without removing the jacket.

• スーツの本ほん切せっ羽ぱは、外げ科か医いが袖そでをまくりやすいように考こう案あんされたと言いわれています。

  Surgeon's cuffs on suits are said to have been devised so that surgeons could easily roll up their sleeves.