Per-tū'sion, n.
(per-tū'zhun), n. [See supra.]
Sense 1. The act of punching, piercing, or thrusting through with a pointed instrument.
The manner of opening a vein in Hippocrates’s time was by stabbing, or pertusion. Arbuthnot.
Sense 2. A little hole made by punching; a perforation. [Obs.] Bacon.