Lan·cet 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. Metal. An iron bar used for tapping a melting furnace.
Lancet arch 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.
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