lancet

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lancet

1. a pointed surgical knife with two sharp edges
2. short for lancet arch, lancet window

Lancet

 

a surgical instrument with a double-edged blade, formerly used for lancing abscesses, opening veins (for bloodletting), and scarifying the skin (for vaccination). The lancet has been replaced by the scalpel in modern medical practice.

lancet

[′lan·sət]
(medicine)
A sharp-pointed, double-edged cutting instrument used to make small incisions.

lancet, lancet window

lancet
1. A narrow window with a sharp pointed arch typical of English Gothic architecture from ca. 1150 to ca. 1250.
2. One light shaped like a lancet window.