This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A tool or machine that makes holes, or perforates, materials such as paper and card.

n. A machine that can bore a tunnel underground.

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

n. One who or that which perforates, bores, or pierces.

n. The keyboard of the monotype type-setting and -casting machine; more precisely, the mechanism of the monotype keyboard which perforates the paper ribbon so that it will control the movements of the casting mechanism.

n. In archaeology, a small chipped stone implement with a rather long and slender point and usually a broad base, supposed to have been used for drilling or boring holes. The name is also sometimes applied to other implements which have been evidently used for making holes, such as bone awls, etc.

n. A device for rapidly producing the perforations of a tape corresponding to the Morse code of signals and used in machine telegraphy.

"This was done in a special machine of Edison's invention, called a perforator, consisting of a series of punches operated by a bank of keys -- typewriter fashion."

hole punch   

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