lancet definition by Webster's New World
- a small, pointed surgical knife, usually two-edged, used for making small incisions, skin punctures, etc.
- lancet arch
- lancet window
Origin: Middle English lancettis, plural ; from Old French lancette, diminutive of lance, lance
lancet definition by American Heritage Dictionary
- Medicine A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions. Also called lance.
- Architecture a. A lancet arch.b. A lancet window.
Origin: Middle English, from Old French, diminutive of lance, lance; see lance.
lancet - Medical Definition