- a small surgical instrument, usually sharp-pointed and two-edged, for making small incisions, opening abscesses, etc.
- a lancet arch.
- a lancet window.
- Also called: lance a pointed surgical knife with two sharp edges
- short for lancet arch, lancet window
n.late 14c., launcet, from Old French lancette “small lance” (12c.), diminutive of lance (see lance (n.)). n.
- A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions.lance