ペアンペアンMeanings1nounhemostat; arterial forceps; Pean forcepsmedicineMedical instrument used to clamp blood vessels; named after French surgeon Jules-Émile Péan.from French Péan手しゅ術じゅつ中ちゅう、医い師しはペアンで血けっ管かんを挟はさんだ。During the surgery, the doctor clamped the blood vessel with a hemostat.