
1) Medical equipment 2) Pointed surgical tool
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https://www.crosswordclues.com/clue/trocar

1) Perforator
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https://www.crosswordclues.com/clue/trocar

A trocar (variant: trochar; from French: via troquard, alteration of trois-quarts from trois (three) + quart (quarter), i.e., `three-quarters`, term first recorded in the Dictionnaire des Arts et des Sciences, 1694, by Thomas Corneille, younger brother of Pierre Corneille) is a medical device that is made up of an Obturator (which may be a metal.....
Found on
http://en.wikipedia.org/wiki/Trocar

• (n.) A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy.
Found on
http://thinkexist.com/dictionary/meaning/trocar/

(from the article `embalming`) ...the veins and replaced by a fluid, usually based on Formalin (a solution of formaldehyde in water), injected into one of the main arteries. Cavity ...
Found on
http://www.britannica.com/eb/a-z/t/82

<surgery> A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy. ... Alternative forms: trochar. ... Origin: F. Trocart (or trois-quarts, i. E, three quarters); trois three (L. Tres) + carre the side of a sword blade; so called from its triangular point. ... Source: Websters Dictio...
Found on
http://www.encyclo.co.uk/local/20973

(tro´kahr) a sharp-pointed instrument equipped with a cannula; used to puncture the wall of a body cavity and withdraw fluid or to introduce an endoscope.
Found on
http://www.encyclo.co.uk/local/21001

A surgical instrument used to puncture bodiliy cavities.
Found on
http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: trō′kar Definitions: 1. An instrument for withdrawing fluid from a cavity, or for use in paracentesis. It consists of a metal tube (cannula) into which fits an obturator with a sharp three-cornered tip, which is withdrawn after the instrument has been pushed into the cavity; the name trocar is usually applied to...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=94104

Trocar: A sharply pointed shaft, usually with a three-sided point. A trocar may be used within a cannula, a hollow tube, designed to be inserted into a vein, artery, bone marrow or body cavity. The word trocar is derived from the French 'trois' (three) + 'carre' (side).
Found on
http://www.medterms.com/script/main/art.asp?articlekey=20090

A trocar is a surgical stylet with a triangular point enclosed in a metal tube and used for withdrawing fluid from a cavity.
Found on
http://www.probertencyclopaedia.com/browse/GT.HTM

An instrument used in an emergency to relieve the gas from a distended rumen.
Found on
https://www.encyclo.co.uk/local/22476
No exact match found.