Main Entry: lan·cet Pronunciation: 'lan(t)-s&t Function: noun : a sharp-pointed and commonly two-edged surgical instrument used to make smallincisions (as in a vein or a boil) called also lance
lancet lan·cet (lān'sĭt) n. A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions. Also called lance.