perforation

A hole or series of holes punched or bored through something, especially a hole in a series, separating sections in a sheet or roll.

The act of perforating.

The state of being perforated.

The act of boring or piercing through.

A hole bored; any hole or aperture passing through anything, or into the interior of a substance.

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

A hole made by boring or piercing; an aperture.

the act of perforating or the state of being perforated

any opening in a solid object