perforation

(pʉr′fə rās̸hən)

noun

  1. a perforating or being perforated
  2. a hole made by piercing, ulceration, etc.
  3. any of a series of holes punched or drilled, as between postage stamps on a sheet

See perforation in American Heritage Dictionary 4

noun
  1. A hole or series of holes punched or bored through something, especially a hole in a series, separating sections in a sheet or roll.
  2. a. The act of perforating.
    b. The state of being perforated.

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