2 [usually with modifier] a metal pipe supplying a jet of oxygen to a furnace or to a hot flame for cutting.
3a rigid tube at the end of a hose for pumping or spraying liquid.
[with object] Medicine
prick or cut open with a lancet or other sharp instrument:abscesses should not be lanced until there is a soft spot in the center figurativethe governor made it one of his priorities to lance the boil of corruption
pierce with or as if with a lance:the teenager had been lanced by a wooden splinter [no object]: figurativehis eyes lanced right through her
[no object] move suddenly and quickly:pain lanced through her
literary fling; launch:he affirms to have lanced darts at the sun
Middle English: from Old French lance (noun), lancier (verb), from Latin lancea (noun)