tro·car (tr  kär )n. A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration. [French trocart : trois, three (from Old French, from Latin tr  s; see trei- in Indo-European roots) + carre, side of an instrument (from Old French, from carrer, to square, from Latin quadr re, from quadrum, square; see kwetwer- in Indo-European roots).] |
trocar [ˈtrəʊkɑː]
n
(Medicine / Surgery) a surgical instrument for removing fluid from bodily cavities, consisting of a puncturing device situated inside a tube
[from French trocart literally: with three sides, from trois three + carre side]
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