noun
lancet
LAN-sit/ˈlænsɪt/
A small surgical blade used to puncture skin.
The sterile lancet rests beside its protective cap on the clean tray.

Etymology
A lancet is literally a “small lance”: the spear image fits a sharp instrument used to puncture tissue, including in bloodletting or opening tumors.
In context
There is a small sharp blade called a lancet, its steel tip honed to a wicked point.
More examples
- She uses a fresh lancet each time she checks her blood sugar.
- Place the used lancet in a sharps container.
- The kit contains individually wrapped lancets.
Forms
lancet · lancets