Definition of "lancet" in English

noun

1. A sharp, pointed, two-edged surgical instrument used in venesection and for opening abscesses etc.

2. A small, sterile single-use needle used to draw a drop of blood for testing, as with a glucometer.

3. (metallurgy) An iron bar used for tapping a melting furnace.

4. (architecture) A high narrow window, terminating in an acutely pointed arch, common in Gothic architecture.

verb

1. To pierce with a lancet.