ˈlan(t)sə̇t, -aan-, -ain-, -ȧn- noun
( -s )
Etymology: Middle English lancette, from Middle French, diminutive of lance
1. obsolete
a. : lance
b. : dart , javelin
2. : a sharp-pointed and commonly two-edged surgical instrument of various forms used to make small incisions (as in a vein or a boil)
3.
a.
(1) : lancet window
(2) : a single light in a traceried window having the shape of a lancet window
b. : lancet arch
4. : an iron bar for tapping a melting furnace