[ troh-kahr ]
/ ˈtroʊ kɑr /
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noun Surgery.

a sharp-pointed instrument enclosed in a cannula, used for withdrawing fluid from a cavity, as the abdominal cavity.



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Origin of trocar

1700–10; earlier trocart<French, literally, three-sided, equivalent to tro- (variant of trois three) + cart, variant of carre side <Latin quadra something square
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for trocar

/ (ˈtrəʊkɑː) /


a surgical instrument for removing fluid from bodily cavities, consisting of a puncturing device situated inside a tube

Word Origin for trocar

C18: from French trocart literally: with three sides, from trois three + carre side
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

Medical definitions for trocar

[ trōkär′ ]


A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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