1. The act of perforating, or of boring or piercing through. Bacon.

2. A hole made by boring or piercing; an aperture. "Slender perforations." Sir T. Browne.

PERFORATIVE
Per"fo*ra*tive, a. Etym: [Cf. F. perforatif.]

Defn: Having power to perforate or pierce.

PERFORATOR
Per"fo*ra`tor, n. Etym: [Cf. F. perforateur.]

Defn: One who, or that which, perforates; esp., a cephalotome.

PERFORCE
Per*force", adv. Etym: [F. par (L. per) + force.]

Defn: By force; of necessary; at any rate. Shak.

PERFORCE
Per*force", v. t.

Defn: To force; to compel. [Obs.]