[lan-sit, lahn-]


a small surgical instrument, usually sharp-pointed and two-edged, for making small incisions, opening abscesses, etc.
  1. a lancet arch.
  2. a lancet window.

Origin of lancet

1375–1425; late Middle English lancette < Middle French. See lance1, -et Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lancet

Contemporary Examples of lancet

Historical Examples of lancet

  • Lancet windows: high, narrow windows of the earliest Gothic architecture.

    Tom Brown at Rugby

    Thomas Hughes

  • This same view was given in his Fifty-fifth Lecture, published in the "Lancet" in 1834.

  • But sickness and the lancet make one very tolerant of sermonizing.

    St. Ronan's Well

    Sir Walter Scott

  • He took a lancet from his pocket and opened a vein in the arm.

    A Girl of the Commune

    George Alfred Henty

  • The lancet simile was not original, but one that he had heard somewhere.

    Virgin Soil

    Ivan S. Turgenev

British Dictionary definitions for lancet



Also called: lance a pointed surgical knife with two sharp edges

Word Origin for lancet

C15 lancette, from Old French: small lance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lancet

late 14c., launcet, from Old French lancette "small lance" (12c.), diminutive of lance (see lance (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for lancet




A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions.lance
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.