[troh-kahr] 
| a sharp-pointed instrument enclosed in a cannula, used for withdrawing fluid from a cavity, as the abdominal cavity. |
| tro·car (trō'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 trēs; see trei- in Indo-European roots) + carre, side of an instrument (from Old French, from carrer, to square, from Latin quadrāre, from quadrum, square; see kwetwer- in Indo-European roots).] |
trocar tro·car (trō'kär')
n.
A sharp-pointed surgical instrument, used with a cannula to puncture a body cavity for fluid aspiration.