Punch \Punch\, n. [Abbrev. fr. puncheon.]
1. A tool, usually of steel, variously shaped at one end for
different uses, and either solid, for stamping or for
perforating holes in metallic plates and other substances,
or hollow and sharpedged, for cutting out blanks, as for
buttons, steel pens, jewelry, and the like; a die.
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2. (Pile Driving) An extension piece applied to the top of a
pile; a dolly.
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3. A prop, as for the roof of a mine.
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Bell punch. See under Bell.
Belt punch (Mach.), a punch, or punch pliers, for making
holes for lacings in the ends of driving belts.
Punch press. See Punching machine, under Punch, v. i.
Punch pliers, pliers having a tubular, sharp-edged steel
punch attached to one of the jaws, for perforating
leather, paper, and the like.
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Punch \Punch\, v. t. [imp. & p. p. Punched; p. pr. & vb. n.
Punching.] [From Punch, n., a tool; cf. F.
poin[,c]onner.]
To perforate or stamp with an instrument by pressure, or a
blow; as, to punch a hole; to punch ticket.
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Punching machine, or Punching press, a machine tool for
punching holes in metal or other material; -- called also
punch press.
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