- a small, pointed surgical knife, usually two-edged, used for making small incisions, skin punctures, etc.
- lancet arch
- lancet window
Origin of lancetMiddle English lancettis, plural from Old French lancette, diminutive of lance, lance
- Medicine a. A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions. Also called lance .b. A small needle used to prick the skin, as to obtain blood samples for testing blood glucose levels, especially one designed to fit into a specially designed lancing device.
- Architecture a. A lancet arch.b. A lancet window.
Origin of lancetMiddle English from Old French diminutive of lance lance ; see lance.
From Old French lancete diminutive of lance.