Tro"car (?), n. [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.] Surg.
A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy.
[Written also
trochar.]
© Webster 1913.