Lancet /(?)/

Lan·cet

Lancet

n.
  1. A surgical knife-like instrument of various forms, commonly sharp-pointed and two-edged, used in venesection, and in opening abscesses, etc.
  2. An iron bar used for tapping a melting furnace. (Metal.)

Phrases & Compounds
Lancet arch
a pointed arch, of which the width, or span, is narrow compared with the height.
Lancet architecture
a name given to a style of architecture, in which lancet arches are common; -- peculiar to England and 13th century.